5. Explain about triggers.
Explain about triggers
A database trigger is
stored code that is executed immediately after a predefined event. It is used
to ensure the coordinated performance of related actions. Although
implementation varies, all major relational databases support triggers.
A database trigger is
procedural code that is automatically executed in response to certain events on
a particular table in a database. Triggers can restrict access to specific
data, perform logging, or audit data modifications.