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分类： Oracle
2021-04-08 13:47:15
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;
