Calculate the total character length of all tags combined for each event

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

Domain

SQL

Difficulty

medium

Problem

Calculate the total character length of all tags combined for each event. Return event_id and the result as total_tag_length.

Practice This Problem

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