DROP EVENT TRIGGER ​

Function ​

DROP EVENT TRIGGER deletes an event trigger.

Precautions ​

Only the super user or system administrator has the permission to delete an event trigger.

Syntax ​

DROP EVENT TRIGGER [ IF EXISTS ] name [ CASCADE | RESTRICT ];

Parameter Description ​

• IF EXISTS

  Reports a notice instead of an error if the specified event trigger does not exist.

• name

  Specifies the name of the event trigger to be deleted.

  Value range: all existing event triggers.

• CASCADE | RESTRICT

  • CASCADE: automatically deletes the objects that depend on the trigger.
  • RESTRICT: refuses to delete the trigger if any objects depend on it. This is the default action.

Examples ​

For details, see Examples in CREATE EVENT TRIGGER.

Helpful Links ​

ALTER EVENT TRIGGER and CREATE EVENT TRIGGER