Reference

External Article

Do You Have REFERENCES?

  • Article

The logic for referential integrity can be implemented in application code, but to make sure that it is enforced, include foreign key constraints in the database design instead. In this article, Joe Celko talks about the history of references in SQL and the options available today.

2019-12-27

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Question of the Day

The Max PK Length

If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?

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