diff --git a/02_activities/assignments/Microcredential_Cohort/Assignment1-prompt1.png b/02_activities/assignments/Microcredential_Cohort/Assignment1-prompt1.png new file mode 100644 index 000000000..63aad7c1a Binary files /dev/null and b/02_activities/assignments/Microcredential_Cohort/Assignment1-prompt1.png differ diff --git a/02_activities/assignments/Microcredential_Cohort/assignment1.sql b/02_activities/assignments/Microcredential_Cohort/assignment1.sql index 518415744..1cff05ee7 100644 --- a/02_activities/assignments/Microcredential_Cohort/assignment1.sql +++ b/02_activities/assignments/Microcredential_Cohort/assignment1.sql @@ -7,7 +7,7 @@ /* 1. Write a query that returns everything in the customer table. */ --QUERY 1 - +SELECT * FROM customer; --END QUERY @@ -17,7 +17,10 @@ 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 @@ -28,7 +31,10 @@ sorted by customer_last_name, then customer_first_ name. */ Limit to 25 rows of output. */ --QUERY 3 - +SELECT * +FROM customer_purchases +WHERE product_id IN (4, 9) +LIMIT 25; --END QUERY @@ -43,7 +49,12 @@ Limit to 25 rows of output. */ --QUERY 4 - +SELECT *, + quantity * cost_per_quantity AS price +FROM customer_purchases +WHERE customer_id >= 8 + AND customer_id <= 10 +LIMIT 25; --END QUERY @@ -56,7 +67,13 @@ 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_condensed +FROM product; --END QUERY @@ -67,7 +84,17 @@ add a column to the previous query called pepper_flag that outputs a 1 if the pr 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 LOWER(product_name) LIKE '%pepper%' THEN 1 + ELSE 0 + END AS pepper_flag +FROM product; --END QUERY @@ -79,7 +106,12 @@ 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 * +FROM vendor v +INNER JOIN vendor_booth_assignments v_b + ON v.vendor_id = v_b.vendor_id +ORDER BY v_b.market_date, v.vendor_name +LIMIT 24; --END QUERY @@ -93,7 +125,12 @@ Limit to 24 rows of output. */ at the farmer’s market by counting the vendor booth assignments per vendor_id. */ --QUERY 8 - +SELECT + vendor_id, + COUNT(*) AS booth_assignment_times +FROM vendor_booth_assignments +GROUP BY vendor_id +ORDER BY booth_assignment_times DESC; --END QUERY @@ -106,8 +143,22 @@ 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_per_quantity) 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_per_quantity) > 2000 +ORDER BY + c.customer_last_name, + c.customer_first_name; --END QUERY @@ -121,12 +172,30 @@ When inserting the new vendor, you need to appropriately align the columns to be (there are five columns to be inserted, I've given you the details, but not the syntax) -> To insert the new row use VALUES, specifying the value you want for each column: -VALUES(col1,col2,col3,col4,col5) -*/ ---QUERY 10 - +VALUES(col1,col2,col3,col4,col5)*/ +--QUERY 10 +DROP TABLE IF EXISTS temp.new_vendor; + +CREATE TABLE temp.new_vendor AS +SELECT * +FROM vendor; + +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 @@ -139,7 +208,12 @@ 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 @@ -153,7 +227,12 @@ 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, + SUM(quantity * cost_per_quantity) AS total_spent_april_2022 +FROM customer_purchases +WHERE strftime('%Y-%m', market_date) = '2022-04' +GROUP BY customer_id; --END QUERY diff --git a/02_activities/assignments/Microcredential_Cohort/images/Assignment1-prompt1.png b/02_activities/assignments/Microcredential_Cohort/images/Assignment1-prompt1.png new file mode 100644 index 000000000..63aad7c1a Binary files /dev/null and b/02_activities/assignments/Microcredential_Cohort/images/Assignment1-prompt1.png differ diff --git a/04_this_cohort/live_code/module_2/SELECT.sql b/04_this_cohort/live_code/module_2/SELECT.sql index 3b5e586a4..e406d8c75 100644 --- a/04_this_cohort/live_code/module_2/SELECT.sql +++ b/04_this_cohort/live_code/module_2/SELECT.sql @@ -30,4 +30,5 @@ SELECT 2026 as this_year, 'July' as this_month, customer_id FROM customer + --------------------------------------------------------------------------------------------------------------------------------------------