leetcode550
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[MySQL] LeetCode 문제풀이 : 550. Game Play Analysis IV학습기록 : 데이터 분석 2025. 4. 9. 16:15
문제난이도 : MediumSQL Schema > Pandas SchemaTable: Activity+--------------+---------+| Column Name | Type |+--------------+---------+| player_id | int || device_id | int || event_date | date || games_played | int |+--------------+---------+(player_id, event_date) is the primary key (combination of columns with unique values) of this table.This table shows the activity of p..