Additional Notes
What testing lens fits joins?
Track: Python
Topic: SQL
Focus: Joins
Python: Joins
Answer
Test the boundary cases and invariants that would silently break if the rule were misunderstood.
Good tests preserve the real behavior the lesson is trying to make explicit. Connect the idea to a realistic coding decision so recall is easier when solving similar questions.
Good tests preserve the real behavior the lesson is trying to make explicit. Connect the idea to a realistic coding decision so recall is easier when solving similar questions.
Topics: JOINs Python SQL