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Completed Mock_SQL2 #32

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Completed Mock_SQL2 #32

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8 changes: 8 additions & 0 deletions CustomersWhoBoughtAllProducts.sql
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Original file line number Diff line number Diff line change
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'''
https://leetcode.com/problems/customers-who-bought-all-products/description/
'''

SELECT customer_id
FROM Customer
GROUP BY customer_id
HAVING COUNT(DISTINCT product_key) = (SELECT COUNT(*) FROM Product)
11 changes: 11 additions & 0 deletions ProductSalesAnalysisIII.sql
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'''
https://leetcode.com/problems/product-sales-analysis-iii/description/
'''

SELECT product_id, year AS first_year, quantity, price
FROM Sales
WHERE (product_id, year) IN (
SELECT product_id, MIN(year)
FROM Sales
GROUP BY product_id
)