# Use TRANSFORM to convert every tag to uppercase

Canonical URL: <https://datadriven.io/problems/use-transform-to-convert-every-tag-to-uppercase-return-even-3d640824>

Domain: SQL · Difficulty: medium

## Problem

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

## Related

- [All practice problems](https://datadriven.io/problems)
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