LeetCode 1633: Percentage of Users Attended a Contest [SQL]
Solution and walkthrough of leetcode database problem 1633: Percentage of Users Attended a Contest. I'm using MySQL but this solution should work in any SQL dialect such as PostgreSQL SQL Server, etc.
Link to the problem: https://leetcode.com/problems/percent...
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LeetCode database SQL problems: • LeetCode Database Problems [SQL]
Easy SQL problems: • LeetCode Easy Database Problems [SQL]
Medium SQL problems: • LeetCode Medium Database Problems [SQL]
Hard SQL problems: • LeetCode Hard Database Problems [SQL]