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Mobile Event Counts

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

Domain
SQL
Difficulty
easy
Seniority
L3

Problem

For events tagged as 'mobile', count the number of events per event type, from most frequent to least.

Summary

Mobile engagement, device by device.

Practice This Problem

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

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