docs: updates

docs/source/shared/postgresql.rst

@@ -5,34 +5,14 @@ We will assume that you have a ``PostgreSQL`` database server running locally th
 
 EvaDB lets you connect to your favorite databases, data warehouses, data lakes, etc., via the ``CREATE DATABASE`` statement. In this query, we connect EvaDB to an existing ``PostgreSQL`` server:
 
-.. tab-set::
-
-    .. tab-item:: Python
-
-        .. code-block:: python
-
-            params = {
-                "user": "eva",
-                "password": "password",
-                "host": "localhost",
-                "port": "5432",
-                "database": "evadb",
-            }
-            query = f"CREATE DATABASE postgres_data 
-                      WITH ENGINE = 'postgres', 
-                      PARAMETERS = {params};"
-            cursor.query(query).df()
-
-    .. tab-item:: SQL 
-
-        .. code-block:: text
-
-            CREATE DATABASE postgres_data 
-            WITH ENGINE = 'postgres', 
-            PARAMETERS = {
-                "user": "eva",
-                "password": "password",
-                "host": "localhost",
-                "port": "5432",
-                "database": "evadb"
-            }
+.. code-block:: text
+
+    CREATE DATABASE postgres_data 
+    WITH ENGINE = 'postgres', 
+    PARAMETERS = {
+        "user": "eva",
+        "password": "password",
+        "host": "localhost",
+        "port": "5432",
+        "database": "evadb"
+    }