নিচের স্টেটমেন্ট দিয়ে এটি করা যায়:
mysql> select * from information_schema.triggers where -> information_schema.triggers.trigger_schema like '%query%'\G *************************** 1. row *************************** TRIGGER_CATALOG: def TRIGGER_SCHEMA: query TRIGGER_NAME: trigger_before_delete_sample EVENT_MANIPULATION: DELETE EVENT_OBJECT_CATALOG: def EVENT_OBJECT_SCHEMA: query EVENT_OBJECT_TABLE: sample ACTION_ORDER: 1 ACTION_CONDITION: NULL ACTION_STATEMENT: BEGIN SET @count = if (@count IS NULL, 1, (@count+1)); INSERT INTO sample_rowaffected values (@count); END ACTION_ORIENTATION: ROW ACTION_TIMING: BEFORE ACTION_REFERENCE_OLD_TABLE: NULL ACTION_REFERENCE_NEW_TABLE: NULL ACTION_REFERENCE_OLD_ROW: OLD ACTION_REFERENCE_NEW_ROW: NEW CREATED: 2017-11-21 12:31:58.70 SQL_MODE: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION DEFINER: root@localhost CHARACTER_SET_CLIENT: cp850 COLLATION_CONNECTION: cp850_general_ci DATABASE_COLLATION: latin1_swedish_ci *************************** 2. row *************************** TRIGGER_CATALOG: def TRIGGER_SCHEMA: query TRIGGER_NAME: before_inser_studentage EVENT_MANIPULATION: INSERT EVENT_OBJECT_CATALOG: def EVENT_OBJECT_SCHEMA: query EVENT_OBJECT_TABLE: student_age ACTION_ORDER: 1 ACTION_CONDITION: NULL ACTION_STATEMENT: IF NEW.age < 0 THEN SET NEW.age = 0; END IF ACTION_ORIENTATION: ROW ACTION_TIMING: BEFORE ACTION_REFERENCE_OLD_TABLE: NULL ACTION_REFERENCE_NEW_TABLE: NULL ACTION_REFERENCE_OLD_ROW: OLD ACTION_REFERENCE_NEW_ROW: NEW CREATED: 2017-11-21 11:26:15.34 SQL_MODE: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION DEFINER: root@localhost CHARACTER_SET_CLIENT: cp850 COLLATION_CONNECTION: cp850_general_ci DATABASE_COLLATION: latin1_swedish_ci 2 rows in set (0.03 sec)
