The difference between a composite key, a foreign key and a primary key is a good illustration of the complex and byzantine nature of relational database standards that make database administration an ...

SQL Server offers several tools to validate foreign keys, such as built-in features in SSMS like the Database Diagram tool, Object Explorer, and DBCC commands.

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 ...