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Daily Session and User Counts

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain
SQL
Difficulty
medium
Seniority
junior

Problem

The product analytics team is building a daily engagement dashboard. For each date, show the total number of sessions and the number of unique users, listed chronologically.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.