submit assignment one files

02_activities/assignments/Microcredential_Cohort/assignment1.sql

@@ -6,8 +6,8 @@
 --SELECT
 /* 1. Write a query that returns everything in the customer table. */
 --QUERY 1
-
-
+SELECT *
+FROM customer;
 
 
 --END QUERY
@@ -16,9 +16,10 @@
 /* 2. Write a query that displays all of the columns and 10 rows from the customer table, 
 sorted by customer_last_name, then customer_first_ name. */
 --QUERY 2
-
-
-
+SELECT *
+FROM customer
+ORDER by customer_last_name, customer_first_name
+LIMIT 10;
 
 --END QUERY
 
@@ -28,8 +29,13 @@ sorted by customer_last_name, then customer_first_ name. */
 Limit to 25 rows of output. */
 --QUERY 3
 
-
-
+SELECT cp.*,p.product_name
+FROM customer_purchases As cp
+JOIN Product as p
+ON cp.product_id = p.product_id
+WHERE cp.product_id IN (4,9)
+ORDER By cp.product_id DESC
+LIMIT 25;
 
 --END QUERY
 
@@ -42,9 +48,15 @@ filtered by customer IDs between 8 and 10 (inclusive) using either:
 Limit to 25 rows of output.
 */
 --QUERY 4
-
-
-
+SELECT cp.*,
+p.product_name,
+(quantity * cost_to_customer_per_qty) AS price
+FROM customer_purchases AS cp
+JOIN Product as p
+ON cp.product_id = p.product_id
+WHERE cp.product_id BETWEEN 8 AND 10
+ORDER By cp.product_id DESC
+LIMIT 25;
 
 --END QUERY
 
@@ -56,19 +68,30 @@ columns and add a column called prod_qty_type_condensed that displays the word 
 if the product_qty_type is “unit,” and otherwise displays the word “bulk.” */
 --QUERY 5
 
-
-
-
+SELECT product_id, product_name,
+CASE 
+WHEN product_qty_type = "UNIT" THEN "UNIT" 
+ELSE "bulk"
+END AS prod_qty_type
+FROM product;
+
 --END QUERY
 
 
 /* 2. We want to flag all of the different types of pepper products that are sold at the market. 
 add a column to the previous query called pepper_flag that outputs a 1 if the product_name 
 contains the word “pepper” (regardless of capitalization), and otherwise outputs 0. */
 --QUERY 6
-
-
-
+SELECT product_id, product_name,
+CASE 
+WHEN product_qty_type = "UNIT" THEN "UNIT" 
+ELSE "bulk"
+END AS prod_qty_type,
+CASE
+WHEN product_name like '%pepper%' THEN	1
+ELSE 0
+END AS pepper_flag
+FROM product;
 
 --END QUERY
 
@@ -79,8 +102,12 @@ vendor_id field they both have in common, and sorts the result by market_date, t
 Limit to 24 rows of output. */
 --QUERY 7
 
-
-
+SELECT v.*, vba.*
+FROM vendor AS v
+INNER JOIN vendor_booth_assignments AS vba
+ON v.vendor_id = vba.vendor_id
+ORDER BY vba.market_date ASC , v.vendor_name ASC
+Limit 24;
 
 --END QUERY
 
@@ -93,8 +120,15 @@ Limit to 24 rows of output. */
 at the farmer’s market by counting the vendor booth assignments per vendor_id. */
 --QUERY 8
 
-
-
+SELECT 
+    v.vendor_id, 
+    v.vendor_name,
+    COUNT(vba.vendor_id) AS count_vendor_booth_assignments
+FROM vendor AS v
+INNER JOIN vendor_booth_assignments AS vba
+    ON v.vendor_id = vba.vendor_id
+GROUP BY v.vendor_id, v.vendor_name
+ORDER BY v.vendor_name ASC;
 
 --END QUERY
 
@@ -106,8 +140,14 @@ of customers for them to give stickers to, sorted by last name, then first name.
 HINT: This query requires you to join two tables, use an aggregate function, and use the HAVING keyword. */
 --QUERY 9
 
+SELECT c.customer_id, c.customer_first_name,c.customer_last_name, sum(cp.quantity * cp.cost_to_customer_per_qty) As total_customer_purchases
 
-
+FROM customer AS c
+INNER JOIN customer_purchases AS cp
+ON c.customer_id = cp.customer_id
+GROUP BY c.customer_id,c.customer_last_name, c.customer_first_name
+HAVING total_customer_purchases > 2000
+ORDER BY c.customer_last_name, c.customer_first_name;
 
 --END QUERY
 
@@ -125,11 +165,19 @@ VALUES(col1,col2,col3,col4,col5)
 */
 --QUERY 10
 
+-- creating temp table
+CREATE TABLE TEMP.new_vendor AS 
+SELECT * FROM vendor;
 
+-- inserting row
 
+INSERT INTO temp.new_vendor (vendor_id, vendor_name, vendor_type, vendor_owner_first_name, vendor_owner_last_name)
+VALUES (10, 'Thomass Superfood Store', 'Fresh Focused', 'Thomas', 'Rosenthal');
 
---END QUERY
+-- Checking temp table 
+SELECT * FROM temp.new_vendor;
 
+--END QUERY
 
 -- Date
 /*1. Get the customer_id, month, and year (in separate columns) of every purchase in the customer_purchases table.
@@ -139,8 +187,11 @@ and year are!
 Limit to 25 rows of output. */
 --QUERY 11
 
-
-
+SELECT cp.customer_id, cp.product_id, p.product_name, strftime('%m', cp.market_date) AS purchase_month, strftime('%Y', cp.market_date) AS purchase_year
+From customer_purchases as cp
+INNER JOIN product as p
+ON cp.product_id = p.product_id
+LIMIT 25;
 
 --END QUERY
 
@@ -152,8 +203,17 @@ HINTS: you will need to AGGREGATE, GROUP BY, and filter...
 but remember, STRFTIME returns a STRING for your WHERE statement...
 AND be sure you remove the LIMIT from the previous query before aggregating!! */
 --QUERY 12
-
-
-
+SELECT cp.customer_id, c.customer_first_name, c.customer_last_name, p.product_name,
+strftime('%m', cp.market_date) AS purchase_month, 
+strftime('%Y', cp.market_date) AS purchase_year,
+sum(cp.quantity * cp.cost_to_customer_per_qty) AS total_purchases
+From customer_purchases as cp
+INNER JOIN customer AS c
+ON c.customer_id = cp.customer_id
+INNER JOIN product as p
+ON cp.customer_id = c.customer_id
+WHERE purchase_month='04' AND purchase_year='2022'
+Group by cp.customer_id, c.customer_first_name,c.customer_last_name, p.product_name
+ORDER by cp.customer_id;
 
 --END QUERY