ALTER TRIGGER

Function

ALTER TRIGGER modifies the definition of a trigger.

Precautions

Only the owner of a table where a trigger is created and system administrators can run the ALTER TRIGGER statement.

Syntax

1

ALTER TRIGGER trigger_name ON table_name RENAME TO new_name;

Parameter Description

• trigger_name

  Specifies the name of the trigger to be modified.

  Value range: an existing trigger

• table_name

  Specifies the name of the table where the trigger to be modified is located.

  Value range: an existing table having a trigger

• new_name

  Specifies the new name after modification.

  Value range: a string that complies with the identifier naming convention. A value contains a maximum of 63 characters and cannot be the same as other triggers on the same table.

Examples

Modified the trigger delete_trigger.

1

ALTER TRIGGER delete_trigger ON test_trigger_src_tbl RENAME TO delete_trigger_renamed;

Disable the trigger insert_trigger.

1

ALTER TABLE test_trigger_src_tbl DISABLE TRIGGER insert_trigger;  

Disable all triggers on the test_trigger_src_tbl table.

1

ALTER TABLE test_trigger_src_tbl DISABLE TRIGGER ALL; 

Helpful Links

CREATE TRIGGER, DROP TRIGGER, ALTER TABLE