PostgreSQL Flow account (Seventh day): Trigger

1. Create a function
2. Create a trigger that binds tables and functions

?

ALTER TRIGGER trigger_name on table_name

RENAME to new_name;

?

ALTER TRIGGER last_name_changes on Employees

RENAME to log_last_name_changes;

?

ALTER TABLE table_name

DISABLE TRIGGER trigger_name | All

Specify the trigger name after the? DISABLE TRIGGER ? clause to disable a particular trigger. To disable all triggers associated with a table, do you use? All ? Instead of a particular trigger name.

DROP TRIGGER[IFEXISTS]trigger_nameontable_name;

PostgreSQL Flow account (Seventh day): Trigger