The Legacy Hunt

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

Domain

SQL

Difficulty

easy

Seniority

L3

Problem

The data engineering team is sunsetting pipelines that predate a recent infrastructure migration. Surface every unique pipeline name that had at least one run before July 1, 2026.

Summary

Old data. Still matters.

Practice This Problem

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