Completed assignment2.sql

02_activities/assignments/Microcredential_Cohort/assignment1_section2.sql

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+SELECT *
+FROM customer;
+
+
+SELECT *
+FROM customer
+ORDER BY customer_last_name, customer_first_name
+LIMIT 10;
+
+
+SELECT *
+FROM customer_purchases
+WHERE product_id IN (4, 9)
+LIMIT 25;
+
+
+SELECT *,
+		quantity * cost_to_customer_per_qty as price
+FROM customer_purchases
+WHERE customer_id BETWEEN 8 AND 10
+LIMIT 25;
+
+
+SELECT product_id,
+       product_name,
+       CASE
+           WHEN product_qty_type = 'unit' THEN 'unit'
+           ELSE 'bulk'
+       END AS prod_qty_type_condensed
+FROM product;
+
+
+SELECT product_id,
+       product_name,
+       CASE
+				WHEN product_qty_type = 'unit' then 'unit'
+				ELSE 'bulk'
+			END as product_qty_type_condensed,
+			CASE
+				WHEN lower(product_name) like '%pepper%' THEN 1
+				ELSE 0
+			END as pepper_flag
+	FROM product;			
+
+SELECT*
+FROM vendor
+INNER JOIN vendor_booth_assignments 
+	ON vendor.vendor_id = vendor_booth_assignments.vendor_id
+ORDER By market_date, vendor_name
+LIMIT 24;
+
+
+SELECT vendor_id,
+		count(*)	 as booth_rental_count
+FROM vendor_booth_assignments
+GROUP by vendor_id;
+
+
+SELECT c.customer_id,
+       c.customer_first_name,
+       c.customer_last_name,
+       SUM(cp.quantity * cp.cost_to_customer_per_qty) AS total_spent
+FROM customer c
+INNER JOIN customer_purchases cp
+    ON c.customer_id = cp.customer_id
+GROUP BY c.customer_id,
+         c.customer_first_name,
+         c.customer_last_name
+HAVING SUM(cp.quantity * cp.cost_to_customer_per_qty) > 2000
+ORDER BY c.customer_last_name,
+         c.customer_first_name;
+
+
+CREATE TEMP TABLE new_vendor AS
+SELECT *
+FROM vendor;
+
+INSERT INTO new_vendor
+(vendor_id, vendor_name, vendor_type, vendor_owner_first_name, vendor_owner_last_name)
+VALUES
+(10, 'Samira superfood Store', 'Fresh Focused Store', 'Samira', 'Dib');
+
+
+SELECT
+customer_id,
+				strftime ('%m', market_date) as month,
+				strftime('%Y', market_date) as year
+FROM customer_purchases
+LIMIT 25;
+
+
+SELECT
+customer_id,
+	sum(quantity * cost_to_customer_per_qty) as total_spent
+FROM customer_purchases
+WHERE strftime('%m', market_date) = '04'
+	AND strftime('%Y', market_date) = '2022'
+group by customer_id