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Sessions Per Device Type

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

Domain
SQL
Difficulty
easy
Seniority
L3

Problem

How many sessions occurred on each device type? Show the counts from most to fewest.

Summary

Sessions, 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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