Lesson 23: CHECK Constraint in PostgreSQL & Data Entry Testing Explained Step by Step
5:37
YouTubeYousufzai SkillTech
Lesson 23: CHECK Constraint in PostgreSQL & Data Entry Testing Explained Step by Step
In this lesson, you will learn how to use the CHECK constraint in PostgreSQL and test data entry step by step. The video explains what a CHECK constraint is, how it works, and how it helps enforce specific rules on the values entered into a table. You will also see practical examples of valid and invalid data inserts, making it easier to ...
113 views2 months ago
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