Convert the err_type column from err_tracks to its hexadecimal byte representation

A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain

SQL

Difficulty

medium

Interview Prompt

Convert the err_type column from err_tracks to its hexadecimal byte representation. Return err_id, err_type, and the hex value. Order by err_id and limit to 5 rows.

How This Interview Works

1. Read the vague prompt (just like a real interview)
2. Ask clarifying questions to the AI interviewer
3. Write your sql solution with real code execution
4. Get instant feedback and a hire/no-hire decision