删除触发器的SQL语句是________。
A: DELETE TRIGGER
B: DROP TRIGGER
C: REMOVE TRIGGER
D: DISABLE TRIGGER
A: DELETE TRIGGER
B: DROP TRIGGER
C: REMOVE TRIGGER
D: DISABLE TRIGGER
举一反三
- 修改触发器应该使用下列哪种语句?_ A: ALTER TRIGGER语句 B: DROP TRIGGER语句 C: CREATE TRIGGER语句 D: CREATE OR REPLACE TRIGGER语句
- 在SQL 中可以使用( )语句,建立触发器 A: ALTER TRIGGER B: MADE TRIGGER C: SET TRIGGER D: CREATE TRIGGER
- 下列新增一个DELETE触发器语句正确的是()。 A: CREATE TRIGGER deleteorder BEFORE DELETE ON orders FOR EACH ROW B: CREATE TRIGGER deleteorder BEFORE INSERT ON orders FOR EACH ROW C: CREATE TRIGGER deleteorder BEFORE DROP ON orders FOR EACH ROW D: CREATE TRIGGER deleteorder BEFORE UPDATE ON orders FOR EACH ROW
- 下列()语句用于创建触发器。 A: ACREATE PROCEDURE B: BCREATE TRIGGER C: CALTER TRIGGER D: DDROP TRIGGER
- 以下 用来创建一个触发器。 A: CREATE FUNCTION B: CREATE TRIGGER C: DROP PROCEDURE D: DROP TRIGGER