Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is updated or ...
A database management safeguard that ensures every foreign key matches a primary key. For example, customer numbers in a customer file are the primary keys, and customer numbers in the order file are ...
Ensuring the integrity of the organization’s databases is a key component of the DBA’s job. A database is of little use if the data it contains is inaccurate or if it cannot be accessed due to ...