Best Practices for Referential Integrity by James Seymour
Approx. 3,030 words.
Published on July 22, 2012.
The purpose of this document is to understand referential integrity (RI) as a very important element in data integrity enforcement in database design and database management. It was standardized first with ANSI-89 – also approximately when ANSI and ISO started working together regarding international standardization of SQL.