SQL Interview | 'Monthly Transactions I' | SQL 50 | Leetcode Medium Problem 1193 | Multiple CTEs

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Leetcode Medium Problem

Write an SQL query to find for each month and country, the number of transactions and their total amount, the number of approved transactions and their total amount.

Return the result table in any order.

I have used multiple CTEs for the query.
The runtime of my solution beats 77.14% of the users and memory beats 100% of the users.

This series will help you in SQL Interviews. All of these questions are present on Leetcode. Please go through the videos. Let me know your feedback and anything specific that you would like to see in the comments section. Please like and share

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