For each user, find the date 3 months before their signup
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
Problem
For each user, find the date 3 months before their signup. Show user_id, signup_date, and the earlier date as three_months_prior.
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Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.