David Nguyeneplus.dev·Nov 24, 2024[SQL] 1633. Percentage of Users Attended a ContestTable: Users +-------------+---------+ | Column Name | Type | +-------------+---------+ | user_id | int | | user_name | varchar | +-------------+---------+ user_id is the primary key (column with unique values) for this table. Each row o...SQL1633. Percentage of Users Attended a Contest
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