diff --git a/short_tutorials/datajoint_in_30mins.ipynb b/short_tutorials/datajoint_in_30mins.ipynb
new file mode 100644
index 0000000..df60d01
--- /dev/null
+++ b/short_tutorials/datajoint_in_30mins.ipynb
@@ -0,0 +1,2619 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "id": "41b1b9b1-8749-4459-8fe8-0e0a7e17a5f7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import datajoint as dj\n",
+    "import numpy as np"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "c3ba552d-1894-41ea-ad4e-d96c828e871d",
+   "metadata": {},
+   "source": [
+    "# Connect to the database"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "id": "284addad-c0aa-4ba5-a70d-8a238d05e6e9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "dj.config['database.host'] = '*************'\n",
+    "dj.config['database.user'] = '*************'\n",
+    "dj.config['database.password'] = '*************'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "35ea1431-0762-48ec-8ed7-0744bd7d4fe6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "dj.conn()"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "e086433f-70ec-4f5d-ac4b-0fa889b53e60",
+   "metadata": {},
+   "source": [
+    "# Define and create table"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "id": "bf55ec72-7d24-401a-bedc-eec7f52012b7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "schema_name = 'your_schema_name'\n",
+    "schema = dj.Schema(schema_name)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "id": "f34fe6b8-e2be-4f37-9f75-b6ac77cc6f8d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Subject(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    subject_name: varchar(16)\n",
+    "    ---\n",
+    "    sex: enum('F', 'M', 'U')\n",
+    "    \"\"\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "99b43e71-a028-414e-9e97-53a431031441",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Session(dj.Manual):\n",
+    "    definition = \"\"\"\n",
+    "    -> Subject\n",
+    "    session_id: int\n",
+    "    \"\"\""
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "id": "18f21ee6-41be-4c35-8f6d-774d7af35e81",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "image/svg+xml": [
+       "<svg height=\"114pt\" viewBox=\"0.00 0.00 68.00 114.00\" width=\"68pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
+       "<g class=\"graph\" id=\"graph0\" transform=\"scale(1 1) rotate(0) translate(4 110)\">\n",
+       "<title>%3</title>\n",
+       "<polygon fill=\"white\" points=\"-4,4 -4,-110 64,-110 64,4 -4,4\" stroke=\"transparent\"/>\n",
+       "<!-- Session -->\n",
+       "<g class=\"node\" id=\"node1\">\n",
+       "<title>Session</title>\n",
+       "<g id=\"a_node1\"><a xlink:title=\"→ Subject\rsession_id           \r\">\n",
+       "<polygon fill=\"#00ff00\" fill-opacity=\"0.188235\" points=\"60,-35 0,-35 0,0 60,0 60,-35\" stroke=\"#00ff00\" stroke-opacity=\"0.188235\"/>\n",
+       "<text fill=\"darkgreen\" font-family=\"arial\" font-size=\"12.00\" text-anchor=\"start\" text-decoration=\"underline\" x=\"8\" y=\"-15.4\">Session</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Subject -->\n",
+       "<g class=\"node\" id=\"node2\">\n",
+       "<title>Subject</title>\n",
+       "<g id=\"a_node2\"><a xlink:title=\"subject_name         \r------------------------------\rsex                  \r\">\n",
+       "<polygon fill=\"#00ff00\" fill-opacity=\"0.188235\" points=\"58.5,-106 1.5,-106 1.5,-71 58.5,-71 58.5,-106\" stroke=\"#00ff00\" stroke-opacity=\"0.188235\"/>\n",
+       "<text fill=\"darkgreen\" font-family=\"arial\" font-size=\"12.00\" text-anchor=\"start\" text-decoration=\"underline\" x=\"9.5\" y=\"-86.4\">Subject</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Subject&#45;&gt;Session -->\n",
+       "<g class=\"edge\" id=\"edge1\">\n",
+       "<title>Subject-&gt;Session</title>\n",
+       "<path d=\"M30,-70.8C30,-59.95 30,-45.87 30,-35.05\" fill=\"none\" stroke=\"#000000\" stroke-opacity=\"0.250980\" stroke-width=\"0.75\"/>\n",
+       "</g>\n",
+       "</g>\n",
+       "</svg>"
+      ],
+      "text/plain": [
+       "<datajoint.diagram.Diagram at 0x7f8343885350>"
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "dj.Diagram(schema)"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "e2ba7302-01bb-4fbd-ac8a-c963e8d22926",
+   "metadata": {},
+   "source": [
+    "# Insert"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "f72e48ea-e7c0-42ab-9050-271b3c64b498",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr>  </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 0</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  sex    \n",
+       "+------------+ +-----+\n",
+       "\n",
+       " (Total: 0)"
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Subject()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "51ad2992-136b-48d9-827c-f587d81df10b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "Subject.insert1({'subject_name': 'bob', 'sex': 'M'})"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "id": "4d8f666d-ecf2-44a6-8315-b25cfdd1d2a6",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>bob</td>\n",
+       "<td>M</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 1</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  sex    \n",
+       "+------------+ +-----+\n",
+       "bob            M      \n",
+       " (Total: 1)"
+      ]
+     },
+     "execution_count": 21,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Subject()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "id": "9010652f-aba5-44c5-a109-ba3c02eeed9f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "subject_list = [\n",
+    "    {'subject_name': 'alice', 'sex': 'F'},\n",
+    "    {'subject_name': 'anne', 'sex': 'F'}\n",
+    "]\n",
+    "Subject.insert(subject_list)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "id": "67325168-00b7-4220-847c-8ce66a630785",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>F</td></tr><tr><td>anne</td>\n",
+       "<td>F</td></tr><tr><td>bob</td>\n",
+       "<td>M</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 3</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  sex    \n",
+       "+------------+ +-----+\n",
+       "alice          F      \n",
+       "anne           F      \n",
+       "bob            M      \n",
+       " (Total: 3)"
+      ]
+     },
+     "execution_count": 23,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Subject()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "id": "408c35f5-ca64-4740-8456-836f4dcecc24",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "session_list = [\n",
+    "    {'subject_name': 'bob', 'session_id': 1},\n",
+    "    {'subject_name': 'bob', 'session_id': 2}\n",
+    "]\n",
+    "Session.insert(session_list)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "039482b1-941f-4cfb-9da3-0d312954d229",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>bob</td>\n",
+       "<td>1</td></tr><tr><td>bob</td>\n",
+       "<td>2</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 2</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id   \n",
+       "+------------+ +------------+\n",
+       "bob            1             \n",
+       "bob            2             \n",
+       " (Total: 2)"
+      ]
+     },
+     "execution_count": 25,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session()"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "c88b5d48-185b-40d4-8f99-de4ad068d82b",
+   "metadata": {},
+   "source": [
+    "# Table with computation"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "id": "5a1b4ad5-530f-4e34-9724-550e02b6dba2",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Param(dj.Lookup):\n",
+    "    definition = \"\"\"\n",
+    "    param_id: int\n",
+    "    ---\n",
+    "    multiplier: int\n",
+    "    \"\"\"    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "id": "b21579e9-0976-44aa-9219-1b8ec978f81d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "@schema\n",
+    "class Analysis(dj.Computed):\n",
+    "    definition = \"\"\"\n",
+    "    -> Session\n",
+    "    -> Param\n",
+    "    ---\n",
+    "    result: longblob\n",
+    "    \"\"\"\n",
+    "    \n",
+    "    def make(self, key):\n",
+    "        # print status\n",
+    "        print(f\"Working on session_id {key['session_id']} and param_id {key['param_id']}\")\n",
+    "        \n",
+    "        # retrieve data from upstream\n",
+    "        session_id = (Session & key).fetch1('session_id')\n",
+    "        multiplier_val = (Param & key).fetch1('multiplier')\n",
+    "        \n",
+    "        # perform computation\n",
+    "        result = np.ones(10) * session_id * multiplier_val\n",
+    "        \n",
+    "        # store the results\n",
+    "        key['result'] = result\n",
+    "        self.insert1(key)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "id": "c8ae90ee-e790-483a-86bb-36b4c2f84d25",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "image/svg+xml": [
+       "<svg height=\"176pt\" viewBox=\"0.00 0.00 131.50 176.00\" width=\"132pt\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
+       "<g class=\"graph\" id=\"graph0\" transform=\"scale(1 1) rotate(0) translate(4 172)\">\n",
+       "<title>%3</title>\n",
+       "<polygon fill=\"white\" points=\"-4,4 -4,-172 127.5,-172 127.5,4 -4,4\" stroke=\"transparent\"/>\n",
+       "<!-- Param -->\n",
+       "<g class=\"node\" id=\"node1\">\n",
+       "<title>Param</title>\n",
+       "<g id=\"a_node1\"><a xlink:title=\"param_id             \r------------------------------\rmultiplier           \r\">\n",
+       "<polygon fill=\"#000000\" fill-opacity=\"0.125490\" points=\"45,-97 0,-97 0,-62 45,-62 45,-97\" stroke=\"transparent\"/>\n",
+       "<text font-family=\"arial\" font-size=\"10.00\" text-anchor=\"start\" text-decoration=\"underline\" x=\"8\" y=\"-78\">Param</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Analysis -->\n",
+       "<g class=\"node\" id=\"node4\">\n",
+       "<title>Analysis</title>\n",
+       "<g id=\"a_node4\"><a xlink:title=\"→ Session\r→ Param\r------------------------------\rresult               \r\">\n",
+       "<ellipse cx=\"57.5\" cy=\"-13\" fill=\"#ff0000\" fill-opacity=\"0.125490\" rx=\"13\" ry=\"13\" stroke=\"#ff0000\" stroke-opacity=\"0.125490\"/>\n",
+       "<text fill=\"#7f0000\" fill-opacity=\"0.627451\" font-family=\"arial\" font-size=\"12.00\" text-anchor=\"middle\" x=\"57.5\" y=\"-9.9\">Analysis</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Param&#45;&gt;Analysis -->\n",
+       "<g class=\"edge\" id=\"edge1\">\n",
+       "<title>Param-&gt;Analysis</title>\n",
+       "<path d=\"M31.51,-61.89C37.83,-50.24 46.1,-35.01 51.59,-24.88\" fill=\"none\" stroke=\"#000000\" stroke-opacity=\"0.250980\" stroke-width=\"0.75\"/>\n",
+       "</g>\n",
+       "<!-- Session -->\n",
+       "<g class=\"node\" id=\"node2\">\n",
+       "<title>Session</title>\n",
+       "<g id=\"a_node2\"><a xlink:title=\"→ Subject\rsession_id           \r\">\n",
+       "<polygon fill=\"#00ff00\" fill-opacity=\"0.188235\" points=\"123.5,-97 63.5,-97 63.5,-62 123.5,-62 123.5,-97\" stroke=\"#00ff00\" stroke-opacity=\"0.188235\"/>\n",
+       "<text fill=\"darkgreen\" font-family=\"arial\" font-size=\"12.00\" text-anchor=\"start\" text-decoration=\"underline\" x=\"71.5\" y=\"-77.4\">Session</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Session&#45;&gt;Analysis -->\n",
+       "<g class=\"edge\" id=\"edge2\">\n",
+       "<title>Session-&gt;Analysis</title>\n",
+       "<path d=\"M84.23,-61.89C77.73,-50.24 69.23,-35.01 63.57,-24.88\" fill=\"none\" stroke=\"#000000\" stroke-opacity=\"0.250980\" stroke-width=\"0.75\"/>\n",
+       "</g>\n",
+       "<!-- Subject -->\n",
+       "<g class=\"node\" id=\"node3\">\n",
+       "<title>Subject</title>\n",
+       "<g id=\"a_node3\"><a xlink:title=\"subject_name         \r------------------------------\rsex                  \r\">\n",
+       "<polygon fill=\"#00ff00\" fill-opacity=\"0.188235\" points=\"122,-168 65,-168 65,-133 122,-133 122,-168\" stroke=\"#00ff00\" stroke-opacity=\"0.188235\"/>\n",
+       "<text fill=\"darkgreen\" font-family=\"arial\" font-size=\"12.00\" text-anchor=\"start\" text-decoration=\"underline\" x=\"73\" y=\"-148.4\">Subject</text>\n",
+       "</a>\n",
+       "</g>\n",
+       "</g>\n",
+       "<!-- Subject&#45;&gt;Session -->\n",
+       "<g class=\"edge\" id=\"edge3\">\n",
+       "<title>Subject-&gt;Session</title>\n",
+       "<path d=\"M93.5,-132.8C93.5,-121.95 93.5,-107.87 93.5,-97.05\" fill=\"none\" stroke=\"#000000\" stroke-opacity=\"0.250980\" stroke-width=\"0.75\"/>\n",
+       "</g>\n",
+       "</g>\n",
+       "</svg>"
+      ],
+      "text/plain": [
+       "<datajoint.diagram.Diagram at 0x7f8343875b50>"
+      ]
+     },
+     "execution_count": 28,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "dj.Diagram(schema)"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "22876302-5f5a-4ddc-86ec-85dc9e9b3204",
+   "metadata": {},
+   "source": [
+    "## Run the computation"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "id": "8a96a370-0ce8-45a4-a91e-2d88572b84f3",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">multiplier</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr>  </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 0</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*param_id    multiplier    \n",
+       "+----------+ +------------+\n",
+       "\n",
+       " (Total: 0)"
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Param()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "id": "ee2a7e55-ed1b-4f7b-bccc-7b25f1c32902",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "param_list = [\n",
+    "    {'param_id': 0, 'multiplier': 1},\n",
+    "    {'param_id': 1, 'multiplier': 16}\n",
+    "]\n",
+    "Param.insert(param_list)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "id": "598a35f6-d708-49b0-b98e-8fdd6685d186",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">multiplier</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>0</td>\n",
+       "<td>1</td></tr><tr><td>1</td>\n",
+       "<td>16</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 2</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*param_id    multiplier    \n",
+       "+----------+ +------------+\n",
+       "0            1             \n",
+       "1            16            \n",
+       " (Total: 2)"
+      ]
+     },
+     "execution_count": 31,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Param()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "id": "ce60647f-dffc-45b9-aaf2-d2b6c9ef86c7",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr>  </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 0</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result    \n",
+       "+------------+ +------------+ +----------+ +--------+\n",
+       "\n",
+       " (Total: 0)"
+      ]
+     },
+     "execution_count": 32,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "id": "cfe58b04-4981-4c3a-8b39-4e959f1c5028",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Working on session_id 2 and param_id 0\n",
+      "Working on session_id 1 and param_id 0\n",
+      "Working on session_id 2 and param_id 1\n",
+      "Working on session_id 1 and param_id 1\n"
+     ]
+    }
+   ],
+   "source": [
+    "Analysis.populate()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "id": "bb11eb2b-62f6-4c06-a444-bd404f4fd554",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 4</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result    \n",
+       "+------------+ +------------+ +----------+ +--------+\n",
+       "bob            1              0            =BLOB=    \n",
+       "bob            2              0            =BLOB=    \n",
+       "bob            1              1            =BLOB=    \n",
+       "bob            2              1            =BLOB=    \n",
+       " (Total: 4)"
+      ]
+     },
+     "execution_count": 34,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "id": "7f181cda-c910-428a-baaf-bd990149b0a6",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# populate again - nothing new to be populated\n",
+    "Analysis.populate()"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "7495d66c-dbb1-4af7-b6f1-54e28f086bba",
+   "metadata": {},
+   "source": [
+    "### Add new sessions and run analysis again"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "id": "cdfeb6d4-4070-421c-a994-678dce66a6d1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "session_list = [\n",
+    "    {'subject_name': 'alice', 'session_id': 1},\n",
+    "    {'subject_name': 'anne', 'session_id': 2}\n",
+    "]\n",
+    "Session.insert(session_list)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "6b70158b-d9c8-4b70-a49d-f33f50f09678",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Working on session_id 1 and param_id 1\n",
+      "Working on session_id 1 and param_id 0\n",
+      "Working on session_id 2 and param_id 1\n",
+      "Working on session_id 2 and param_id 0\n"
+     ]
+    }
+   ],
+   "source": [
+    "# populate again\n",
+    "Analysis.populate()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "id": "df03a0b9-7eab-4c4b-ade9-998f652c29da",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 8</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result    \n",
+       "+------------+ +------------+ +----------+ +--------+\n",
+       "alice          1              0            =BLOB=    \n",
+       "anne           2              0            =BLOB=    \n",
+       "bob            1              0            =BLOB=    \n",
+       "bob            2              0            =BLOB=    \n",
+       "alice          1              1            =BLOB=    \n",
+       "anne           2              1            =BLOB=    \n",
+       "bob            1              1            =BLOB=    \n",
+       "bob            2              1            =BLOB=    \n",
+       " (Total: 8)"
+      ]
+     },
+     "execution_count": 38,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis()"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "c25fff8f-5b5e-44aa-b8b6-830b4acbba12",
+   "metadata": {},
+   "source": [
+    "## Query"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "id": "2b949d17-31e0-4318-b4fa-5b848eb6e039",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td></tr><tr><td>anne</td>\n",
+       "<td>2</td></tr><tr><td>bob</td>\n",
+       "<td>1</td></tr><tr><td>bob</td>\n",
+       "<td>2</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 4</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id   \n",
+       "+------------+ +------------+\n",
+       "alice          1             \n",
+       "anne           2             \n",
+       "bob            1             \n",
+       "bob            2             \n",
+       " (Total: 4)"
+      ]
+     },
+     "execution_count": 39,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "bb33cf6a-5a1d-42b9-a5ab-ceb5afe94bfc",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    \n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>F</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>F</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>M</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>M</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 4</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    sex    \n",
+       "+------------+ +------------+ +-----+\n",
+       "alice          1              F      \n",
+       "anne           2              F      \n",
+       "bob            1              M      \n",
+       "bob            2              M      \n",
+       " (Total: 4)"
+      ]
+     },
+     "execution_count": 40,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session * Subject"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "id": "944053d0-9e63-4d18-84ac-18b93e827bec",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td></tr><tr><td>bob</td>\n",
+       "<td>1</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 2</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id   \n",
+       "+------------+ +------------+\n",
+       "alice          1             \n",
+       "bob            1             \n",
+       " (Total: 2)"
+      ]
+     },
+     "execution_count": 41,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session & 'session_id = 1'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "id": "4eb5535e-7abc-42f2-b395-1bbd6ee4a498",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>bob</td>\n",
+       "<td>1</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 1</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id   \n",
+       "+------------+ +------------+\n",
+       "bob            1             \n",
+       " (Total: 1)"
+      ]
+     },
+     "execution_count": 42,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session & 'subject_name = \"bob\"' & 'session_id = 1'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "id": "8fe4fdfd-9838-418b-a97e-666e75b5f5a7",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    \n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>M</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 1</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    sex    \n",
+       "+------------+ +------------+ +-----+\n",
+       "bob            1              M      \n",
+       " (Total: 1)"
+      ]
+     },
+     "execution_count": 43,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Session * Subject & 'subject_name = \"bob\"' & 'session_id = 1'"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "418ef4f4-5b42-4728-a726-8cd161d9f776",
+   "metadata": {},
+   "source": [
+    "# Fetch"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 44,
+   "id": "be966b2c-16f7-4646-a503-21cbb82561db",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>0</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 8</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result    \n",
+       "+------------+ +------------+ +----------+ +--------+\n",
+       "alice          1              0            =BLOB=    \n",
+       "anne           2              0            =BLOB=    \n",
+       "bob            1              0            =BLOB=    \n",
+       "bob            2              0            =BLOB=    \n",
+       "alice          1              1            =BLOB=    \n",
+       "anne           2              1            =BLOB=    \n",
+       "bob            1              1            =BLOB=    \n",
+       "bob            2              1            =BLOB=    \n",
+       " (Total: 8)"
+      ]
+     },
+     "execution_count": 44,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 45,
+   "id": "9abceb88-a603-47e8-84e1-7e8864558355",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    \n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">multiplier</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td></tr><tr><td>bob</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td></tr><tr><td>bob</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 4</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result     multiplier    \n",
+       "+------------+ +------------+ +----------+ +--------+ +------------+\n",
+       "alice          1              1            =BLOB=     16            \n",
+       "anne           2              1            =BLOB=     16            \n",
+       "bob            1              1            =BLOB=     16            \n",
+       "bob            2              1            =BLOB=     16            \n",
+       " (Total: 4)"
+      ]
+     },
+     "execution_count": 45,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis * Param & 'param_id = 1'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 46,
+   "id": "0991217c-813c-4ca8-97b8-cd755f0210b0",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    \n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">session_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">param_id</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">result</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">multiplier</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>1</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td></tr><tr><td>anne</td>\n",
+       "<td>2</td>\n",
+       "<td>1</td>\n",
+       "<td>=BLOB=</td>\n",
+       "<td>16</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 2</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  *session_id    *param_id    result     multiplier    \n",
+       "+------------+ +------------+ +----------+ +--------+ +------------+\n",
+       "alice          1              1            =BLOB=     16            \n",
+       "anne           2              1            =BLOB=     16            \n",
+       " (Total: 2)"
+      ]
+     },
+     "execution_count": 46,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Analysis * Param & 'param_id = 1' & 'subject_name != \"bob\"'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 47,
+   "id": "06ee91de-4239-45fa-9917-74e8f09c228e",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "query = Analysis * Param & 'param_id = 1' & 'subject_name != \"bob\"'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 48,
+   "id": "af750120-1389-42e6-a324-643f3f0d7c39",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "array([('alice', 1, 1, array([16., 16., 16., 16., 16., 16., 16., 16., 16., 16.]), 16),\n",
+       "       ('anne', 2, 1, array([32., 32., 32., 32., 32., 32., 32., 32., 32., 32.]), 16)],\n",
+       "      dtype=[('subject_name', 'O'), ('session_id', '<i8'), ('param_id', '<i8'), ('result', 'O'), ('multiplier', '<i8')])"
+      ]
+     },
+     "execution_count": 48,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "query.fetch()  # returns as record array"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "id": "e584f6a8-c9f7-4850-ae87-67f4c8e93934",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[{'subject_name': 'alice',\n",
+       "  'session_id': 1,\n",
+       "  'param_id': 1,\n",
+       "  'result': array([16., 16., 16., 16., 16., 16., 16., 16., 16., 16.]),\n",
+       "  'multiplier': 16},\n",
+       " {'subject_name': 'anne',\n",
+       "  'session_id': 2,\n",
+       "  'param_id': 1,\n",
+       "  'result': array([32., 32., 32., 32., 32., 32., 32., 32., 32., 32.]),\n",
+       "  'multiplier': 16}]"
+      ]
+     },
+     "execution_count": 49,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "query.fetch(as_dict=True)  # returns as list of dictionaries"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 50,
+   "id": "075cd77d-bfff-4f58-8fae-10e4ce8f8e18",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th></th>\n",
+       "      <th></th>\n",
+       "      <th>result</th>\n",
+       "      <th>multiplier</th>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>subject_name</th>\n",
+       "      <th>session_id</th>\n",
+       "      <th>param_id</th>\n",
+       "      <th></th>\n",
+       "      <th></th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>alice</th>\n",
+       "      <th>1</th>\n",
+       "      <th>1</th>\n",
+       "      <td>[16.0, 16.0, 16.0, 16.0, 16.0, 16.0, 16.0, 16....</td>\n",
+       "      <td>16</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>anne</th>\n",
+       "      <th>2</th>\n",
+       "      <th>1</th>\n",
+       "      <td>[32.0, 32.0, 32.0, 32.0, 32.0, 32.0, 32.0, 32....</td>\n",
+       "      <td>16</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                                                             result  \\\n",
+       "subject_name session_id param_id                                                      \n",
+       "alice        1          1         [16.0, 16.0, 16.0, 16.0, 16.0, 16.0, 16.0, 16....   \n",
+       "anne         2          1         [32.0, 32.0, 32.0, 32.0, 32.0, 32.0, 32.0, 32....   \n",
+       "\n",
+       "                                  multiplier  \n",
+       "subject_name session_id param_id              \n",
+       "alice        1          1                 16  \n",
+       "anne         2          1                 16  "
+      ]
+     },
+     "execution_count": 50,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "query.fetch(format='frame')  # returns as pandas dataframe"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 51,
+   "id": "eb03eb2a-c1d0-40bc-8d15-917ed4154f8a",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "array([array([16., 16., 16., 16., 16., 16., 16., 16., 16., 16.]),\n",
+       "       array([32., 32., 32., 32., 32., 32., 32., 32., 32., 32.])],\n",
+       "      dtype=object)"
+      ]
+     },
+     "execution_count": 51,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "query.fetch('result')"
+   ]
+  },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "id": "5840245d-3b4f-4501-9c7f-41d94395c7ab",
+   "metadata": {},
+   "source": [
+    "# Delete"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 52,
+   "id": "2227ce0a-ccd0-4350-9c08-d148fae4dfcd",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>alice</td>\n",
+       "<td>F</td></tr><tr><td>anne</td>\n",
+       "<td>F</td></tr><tr><td>bob</td>\n",
+       "<td>M</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 3</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  sex    \n",
+       "+------------+ +-----+\n",
+       "alice          F      \n",
+       "anne           F      \n",
+       "bob            M      \n",
+       " (Total: 3)"
+      ]
+     },
+     "execution_count": 52,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Subject()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 53,
+   "id": "f6dcedfa-6d70-49cb-8bf6-edd5e6aa51fc",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "\n",
+       "    \n",
+       "    <style type=\"text/css\">\n",
+       "        .Table{\n",
+       "            border-collapse:collapse;\n",
+       "        }\n",
+       "        .Table th{\n",
+       "            background: #A0A0A0; color: #ffffff; padding:4px; border:#f0e0e0 1px solid;\n",
+       "            font-weight: normal; font-family: monospace; font-size: 100%;\n",
+       "        }\n",
+       "        .Table td{\n",
+       "            padding:4px; border:#f0e0e0 1px solid; font-size:100%;\n",
+       "        }\n",
+       "        .Table tr:nth-child(odd){\n",
+       "            background: #ffffff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        .Table tr:nth-child(even){\n",
+       "            background: #f3f1ff;\n",
+       "            color: #000000;\n",
+       "        }\n",
+       "        /* Tooltip container */\n",
+       "        .djtooltip {\n",
+       "        }\n",
+       "        /* Tooltip text */\n",
+       "        .djtooltip .djtooltiptext {\n",
+       "            visibility: hidden;\n",
+       "            width: 120px;\n",
+       "            background-color: black;\n",
+       "            color: #fff;\n",
+       "            text-align: center;\n",
+       "            padding: 5px 0;\n",
+       "            border-radius: 6px;\n",
+       "            /* Position the tooltip text - see examples below! */\n",
+       "            position: absolute;\n",
+       "            z-index: 1;\n",
+       "        }\n",
+       "        #primary {\n",
+       "            font-weight: bold;\n",
+       "            color: black;\n",
+       "        }\n",
+       "        #nonprimary {\n",
+       "            font-weight: normal;\n",
+       "            color: white;\n",
+       "        }\n",
+       "\n",
+       "        /* Show the tooltip text when you mouse over the tooltip container */\n",
+       "        .djtooltip:hover .djtooltiptext {\n",
+       "            visibility: visible;\n",
+       "        }\n",
+       "    </style>\n",
+       "    \n",
+       "    <b></b>\n",
+       "        <div style=\"max-height:1000px;max-width:1500px;overflow:auto;\">\n",
+       "        <table border=\"1\" class=\"Table\">\n",
+       "            <thead> <tr style=\"text-align: right;\"> <th> <div class=\"djtooltip\">\n",
+       "                            <p id=\"primary\">subject_name</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div></th><th><div class=\"djtooltip\">\n",
+       "                            <p id=\"nonprimary\">sex</p>\n",
+       "                            <span class=\"djtooltiptext\"></span>\n",
+       "                        </div> </th> </tr> </thead>\n",
+       "            <tbody> <tr> <td>anne</td>\n",
+       "<td>F</td> </tr> </tbody>\n",
+       "        </table>\n",
+       "        \n",
+       "        <p>Total: 1</p></div>\n",
+       "        "
+      ],
+      "text/plain": [
+       "*subject_name  sex    \n",
+       "+------------+ +-----+\n",
+       "anne           F      \n",
+       " (Total: 1)"
+      ]
+     },
+     "execution_count": 53,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "Subject & 'subject_name = \"anne\"'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2d5def96-892b-462b-b7ff-a5ed48f3845c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "(Subject & 'subject_name = \"anne\"').delete()"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.16"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/short_tutorials/datajoint_matlab_virtual_module.mlx b/short_tutorials/datajoint_matlab_virtual_module.mlx
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