← All tasks
🔍
Data Analysis Intermediate

SQL Join Wrong Key

⏱ 5 min ⭐ 150 XP 🔁 3 attempts allowed

What you'll do

Find the buggy line.

Scenario

The join returns wrong customers because it uses the wrong key.

Ready to try it?

Create a free account and try "SQL Join Wrong Key" free for 7 days, no card required. Earn 150 XP and track your internship progress.

Already have an account? Sign in