Remove a trigger from a table. This command deletes the trigger definition, preventing it from firing on future INSERT, UPDATE, or DELETE events.
This statement drops a trigger. The schema (database) name is optional. If the schema is omitted, the trigger is dropped from the default schema. Its use requires the TRIGGER privilege for the table associated with the trigger.
Use IF EXISTS to prevent an error from occurring for a trigger that does not exist. A NOTE is generated for a non-existent trigger when using IF EXISTS. See .
Note: Triggers for a table are also dropped if you drop the table.
DROP TRIGGER is .
DROP TRIGGER is not .
Using the IF EXISTS clause:
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DROP TRIGGER [IF EXISTS] [schema_name.]trigger_nameDROP TRIGGER test.example_trigger;DROP TRIGGER IF EXISTS test.example_trigger;
Query OK, 0 rows affected, 1 warning (0.01 sec)
SHOW WARNINGS;
+-------+------+------------------------+
| Level | Code | Message |
+-------+------+------------------------+
| Note | 1360 | Trigger does not exist |
+-------+------+------------------------+