Assignment 1 Submission

02_activities/assignments/Microcredential_Cohort/assignment1.sql

@@ -6,31 +6,44 @@
 --SELECT
 /* 1. Write a query that returns everything in the customer table. */
 --QUERY 1
-
-
-
-
+SELECT
+customer_id
+,customer_first_name
+,customer_last_name
+,customer_postal_code
+FROM customer;
 --END QUERY
 
 
 /* 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
+customer_id
+,customer_first_name
+,customer_last_name
+,customer_postal_code
+FROM customer
+WHERE customer_id BETWEEN 1 and 10
+ORDER BY customer_last_name, customer_first_name;
 --END QUERY
 
 
 --WHERE
 /* 1. Write a query that returns all customer purchases of product IDs 4 and 9. 
 Limit to 25 rows of output. */
 --QUERY 3
-
-
-
-
+SELECT
+product_id,
+vendor_id,
+market_date,
+customer_id,
+quantity,
+cost_per_quantity,
+transaction_time
+FROM customer_purchases
+WHERE customer_id BETWEEN 4 AND 9
+LIMIT 25;
 --END QUERY
 
 
@@ -42,10 +55,18 @@ filtered by customer IDs between 8 and 10 (inclusive) using either:
 Limit to 25 rows of output.
 */
 --QUERY 4
-
-
-
-
+SELECT 
+product_id
+,vendor_id
+,market_date
+,customer_id
+,quantity
+,cost_per_quantity
+,transaction_time
+,quantity*cost_per_quantity AS 'price'
+FROM customer_purchases
+WHERE customer_id BETWEEN 8 and 10
+LIMIT 25;
 --END QUERY
 
 
@@ -55,46 +76,66 @@ Using the product table, write a query that outputs the product_id and product_n
 columns and add a column called prod_qty_type_condensed that displays the word “unit” 
 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_condensed
+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_condensed
+,CASE WHEN product_name like '%pepper%' THEN 1
+		ELSE 0
+		END as pepper_flag		
+FROM product;
 --END QUERY
 
-
 --JOIN
 /* 1. Write a query that INNER JOINs the vendor table to the vendor_booth_assignments table on the 
 vendor_id field they both have in common, and sorts the result by market_date, then vendor_name.
 Limit to 24 rows of output. */
 --QUERY 7
-
-
-
-
+SELECT
+vendor_name
+,vendor_type
+,vendor_owner_first_name
+,vendor_owner_last_name
+,booth_number
+,market_date
+,vendor.vendor_id
+,vendor_booth_assignments.vendor_id
+FROM vendor
+INNER JOIN vendor_booth_assignments
+	ON vendor.vendor_id = vendor_booth_assignments.vendor_id
+ORDER by market_date, vendor_name
+LIMIT 24;
 --END QUERY
 
-
-
 /* SECTION 3 */
 
 -- AGGREGATE
 /* 1. Write a query that determines how many times each vendor has rented a booth 
 at the farmer’s market by counting the vendor booth assignments per vendor_id. */
 --QUERY 8
 
+SELECT 
+vendor_id
+,COUNT(vendor_id) as rented_booth_count
 
-
+FROM vendor_booth_assignments
+GROUP BY vendor_id;
 
 --END QUERY
 
@@ -106,9 +147,18 @@ 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_first_name
+,c.customer_last_name
+,sum(cp.quantity*cp.cost_per_quantity) as total_spent
 
+FROM customer_purchases as cp
+INNER JOIN customer as c
+	ON c.customer_id = cp.customer_id
+GROUP by c.customer_first_name, c.customer_last_name
 
-
+HAVING total_spent > 2000
+ORDER by c.customer_last_name, c.customer_first_name;
 --END QUERY
 
 
@@ -124,10 +174,17 @@ When inserting the new vendor, you need to appropriately align the columns to be
 VALUES(col1,col2,col3,col4,col5) 
 */
 --QUERY 10
-
-
-
-
+DROP TABLE IF EXISTS temp.new_vendor;
+CREATE TABLE temp.new_vendor AS
+SELECT
+vendor_id, 
+vendor_name, 
+vendor_type, 
+vendor_owner_first_name, 
+vendor_owner_last_name
+FROM vendor;
+INSERT INTO new_vendor (vendor_id, vendor_name, vendor_type, vendor_owner_first_name, vendor_owner_last_name)
+VALUES(10,'Thomass Superfood Store', 'a Fresh Focused store', 'Thomas', 'Rosenthal');
 --END QUERY
 
 
@@ -138,10 +195,12 @@ HINT: you might need to search for strfrtime modifers sqlite on the web to know
 and year are! 
 Limit to 25 rows of output. */
 --QUERY 11
-
-
-
-
+SELECT
+customer_id
+,strftime('%m', market_date) AS month
+,strftime('%Y', market_date) AS year
+from customer_purchases
+LIMIT 25;
 --END QUERY
 
 
@@ -152,8 +211,15 @@ 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
+customer_id
+,strftime('%m', market_date) AS month
+,strftime('%Y', market_date) AS year
+,sum(quantity*cost_per_quantity) as money_spent
+from customer_purchases
+
+WHERE month = '04' 
+	AND year = '2022'
+GROUP by customer_id, month, year;
 
 --END QUERY