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 ...

-- Que.1)Identify the primary keys and foreign keys in mavenmovies db. Discuss the differences. -- The major difference between Primary key and foreign key is Primary keys uniquely identify a record ...

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 ...