back to course
Lesson 16 / 2985%
Database Fundamentals5/15
Foreign Key
A column whose value MUST exist in another table's PK — referential integrity.
This lesson is Pro only.
Unlock every premium lesson and module — Pro from ₹299 / month (or ₹999 / year, saves ~₹2,589).
Sign in to unlock// feedback.matters()
Did this lesson help you?