Mastering PostgreSQL Triggers: 7 Powerful Ways to Automate and Enhance Your Database Operations

A PostgreSQL trigger is a mechanism that allows to execute a specific function or perform an action automatically when a defined change is made in a table or view

A PostgreSQL triggers is a set of instruction codes that PostgreSQL automatically runs when specified events occur on a specific table or view

PostgreSQL Triggers give automatic help in managing database changes and this minimizes manual interventions by assuring that the actions are consistent

Trigger Event: It is to specify the action that initiates the trigger (for example, INSERT, UPDATE, DELETE)

Trigger Timing: It is to specify which is the time when the trigger is activated (BEFORE or AFTER the event)