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.

By using cascading referential integrity constraints, you can define the actions that SQL Server 2005 takes when a user tries to delete or update a key to which existing foreign keys point. Skip ...