Explain about the term database Trigger

Question

Explain about the term database Trigger.

Answer 1

Database trigger:

This is a PL/SQL block which can define to automatically execute for insert and update as well as delete statements against a table. A trigger can described to execute once for the whole statement or once for each row which is inserted, deleted or updated. For one table, there are twelve events for that you can describe database triggers. It can call database procedures which are also written within PL/SQL.