Use TRANSFORM to convert every tag to uppercase

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

Domain

SQL

Difficulty

medium

Problem

Use TRANSFORM to convert every tag to uppercase. Return event_id and the transformed array aliased as upper_tags.

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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.