Referential integrity,”A rule that states that either each foreign key value must match a primary key value in another relation or the foreign key value must be null (i.e.

Database
Average Rating
0 out of 5 stars. 0 votes.

Referential integrity,”A rule that states that either each foreign key value must match a primary key value in another relation or the foreign key value must be null (i.e.

have no value)”