목록2025/05/12 (1)
working_helen

Leetcode 코딩테스트 연습 MySQL Med.3497. Analyze Subscription Conversion: A subscription service wants to analyze user behavior patterns. The company offers a 7-day free trial, after which users can subscribe to a paid plan or cancel. Find users who converted from free trial to paid subscription. Calculate each user's average daily activity duration during their free trial period. Calculate each user's..
외부 수업/SQL 스터디
2025. 5. 12. 16:11