A trigger is a set of SQL statements that automatically execute or fire when a specified event occurs on a specified table. Triggers are particularly useful for enforcing business rules, maintaining ...

A stored procedure is a precompiled SQL code that you can store and reuse. It allows developers to encapsulate frequently used queries into a single procedure, which can be executed with a simple ...

If you look at the large variety of SQL commands, they can be divided into three large subgroups. 1) Data Definition Language deals with database schemas and descriptions of how the data should reside ...