Skip to content

Completed Mock_SQL2 #10

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ni-13 wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Completed Mock_SQL2 #10

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 20 additions & 0 deletions Completed Mock_SQL2
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@

# Customers Who Bought All Products_Solution

SELECT c.customer_id
FROM customer c
GROUP BY c.customer_id
HAVING COUNT(DISTINCT c.product_key) = (SELECT COUNT(p.product_key) FROM product p);

# Product Sales Analysis III_Solution

WITH cte AS
(
SELECT *,
RANK() OVER(PARTITION BY product_id ORDER BY year) AS 'rnk'
FROM Sales
)

SELECT product_id, year AS first_year, quantity, price
FROM cte
WHERE rnk = 1;