mysql> Select * from INFORMATION_SCHEMA.TRIGGERS WHERE TRIGGER_SCHEMA = 'query'AND EVENT_OBJECT_TABLE = 'Student_info'G
*************************** 1. row ***************************
TRIGGER_CATALOG: def
TRIGGER_SCHEMA: query
TRIGGER_NAME: studentinfo_after_delete
EVENT_MANIPULATION: DELETE
EVENT_OBJECT_CATALOG: def
EVENT_OBJECT_SCHEMA: query
EVENT_OBJECT_TABLE: student_info
ACTION_ORDER: 1
ACTION_CONDITION: NULL
ACTION_STATEMENT: BEGIN
DECLARE vuser varchar(30);
SELECT USER() into vuser;
INSERT INTO student_info_deleted(id,deleted_date,deleted_by) VALUES(OLD.id,SYSDATE(),vuser);
END
ACTION_ORIENTATION: ROW
ACTION_TIMING: AFTER
ACTION_REFERENCE_OLD_TABLE: NULL
ACTION_REFERENCE_NEW_TABLE: NULL
ACTION_REFERENCE_OLD_ROW: OLD
ACTION_REFERENCE_NEW_ROW: NEW
CREATED: 2017-11-21 14:19:34.91
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
1 row in set (0.00 sec)
上面的结果集显示了名为“query”的数据库中“student_info”表上的触发器列表。
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