How to Add Foreign Key in PostgreSQL | Add Foreign Key in PostgreSQL| Beginner PostgreSQL Tutorials

Опубликовано: 02 Сентябрь 2023
на канале: TSInfo Technologies

Do you want to know how to add a foreign key to your column in PostgreSQL, then this video is for you.

In this PostgreSQL video tutorial, I have shown you how to add foreign key in PostgreSQL on an existing column of a table. Using a Foreign key, one can establish a relation between tables.
After this, I have explained how to use the ALTER TABLE statement with syntax to add the foreign key to the table. Finally, I have shown you a practical example using the two tables.

Here are the key topics covered:

What is a Foreign Key in PostgreSQL?
How to use the ALTER TABLE statement to add the foreign key in PostgreSQL

You can check out a complete tutorial and get the sample code from the How to Add Foreign Key with an existing table in PostgreSQL:
https://databasefaqs.com/postgresql-a...

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