Oracle OCP 071【中文】考试题库-第18题

本套题库是OCP考试中的071(中文版)试题,由CUUG整理。

18、请选择最佳答案。

查看以下成功执行的语句:

CREATE VIEW emp80 AS

SELECT *

FROM employees

WHERE department_id = 80

WITH CHECK OPTION;

哪条语句将违反CHECK约束条件?

A) SELECT *

FROM emp80

WHERE department_id = 90;

B) SELECT

FROM emp80

WHERE department_id = 80;

C) DELETE FROM emp80

WHERE department_id = 90;

D) UPDATE emp80

SET department_id = 90

WHERE department_id = 80;

©著作权归作者所有:来自51CTO博客作者cto_5359的原创作品,如需转载,请注明出处,否则将追究法律责任