PostgreSQL Unique Constraint | Unique Constraint in PostgreSQL | PostgreSQL Beginner Tutorials
2:50
YouTubeTSInfo Technologies
PostgreSQL Unique Constraint | Unique Constraint in PostgreSQL | PostgreSQL Beginner Tutorials
In this PostgreSQL video tutorial, I have started with an introduction to the concept of unique constraints in PostgreSQL. A unique constraint is a feature that guarantees the uniqueness of values in specific columns. Then I have shown how to create a unique constraint on single, multiple, textual, and nullable columns using the unique keyword ...
674 viewsJun 29, 2023
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