Referential integrity helps manage data by enforcing validation between related entities. This enforcement follows logical semantics behind the database design -- i.e., an employee can only work for ...

It often seems that working around things is a full-time task in every area of information technology. When workarounds are conceived and deployed, people are not always in agreement. Beyond ...

Automating routine tasks is the hallmark of a great application. This automation allows the developer to tackle more important issues. Triggers provide automation to database developers. This article ...