Isn’ it time to expose your (database) relationships?
Development guru Paul Tuohy discusses the importance of constraints in a database, including their role in improved performance, database documentation, database integrity and your ability to exploit Web Query. He explains what Key, Foreign Key and Check Constraints are, why you might want to use them and how to define them. You’ll also learn a practical way to discover, document and create those relationships in your database without having to modify existing applications.
