要授予所有用户对表 CUSTOMER 的 SELECT 权限,需用哪个语句?
A: GRANT SELECT ON CUSTOMER TO ALL USERS;
B: GRANT ALL ON CUSTOMER TO ALL;
C: GRANT SELECT ON CUSTOMER TO ALL;
D: GRANT SELECT ON CUSTOMER TO PUBLIC;
A: GRANT SELECT ON CUSTOMER TO ALL USERS;
B: GRANT ALL ON CUSTOMER TO ALL;
C: GRANT SELECT ON CUSTOMER TO ALL;
D: GRANT SELECT ON CUSTOMER TO PUBLIC;
举一反三
- 将查询关系S的权限授予用户WANG，并允许该用户将此权限授予给其他用户，实现此功能的SQL语句是（ ）。 A: GRANT SELECT TO S ON WANG WITH PUBLIC; B: GRANT SELECT ON S TO WANG WITH PUBLIC; C: GRANT SELECT TO S ON WANG WITH GRANT OPTION; D: GRANT SELECT ON S TO WANG WITH GRANT OPTION;
- 将查询SC表的权限授予用户U1，并允许该用户将此权限授予其他用户。实现该功能的 SQL语句是______。 A: A) GRANT SELECT TO SC U1 WITH PUBLIC B: B) GRANT SELECT ON SC TO U1 WITH PUBLIC C: C) GRANT SELECT TO SC ON U1 WITH GRANT OPTION D: D) GRANT SELECT ON SC TO U1 WITH GRANT OPTION
- 将查询SC表的权限授予用户U1，并允许该用户再将此权限授予其他用户。实现此功能的正确SQL语句是______。 A: GRANT SELECT TO TABLE SC ON U1 WITH PUBLIC B: GRANT SELECT ON TABLE SC TO U1 WITH PUBLIC C: GRANT SELECT TO TABLE SC ON U1 WITH GRANT OPTION D: GRANT SELECT ON TABLE SC TO U1 WITH GRANT OPTION
- 将Students表的查询权限授予用户U1和U2，并允许该用户将此权限授予其他用户。实现此功能的SQL语句是：（）。 A: GRANT SELECT TO TABLE Students ON U1,U2 WITH PUBLIC; B: GRANT SELECT ON TABLE Students TO U1,U2 WITH PUBLIC; C: GRANT SELECT TO TABLE Students ON U1,U2 WITH GRANT OPTION; D: GRANT SELECT ON TABLE Students TO U1,U2 WITH GRANT OPTION;
- 下列SQL语句中,能够实现“将查询SC表的权限授予用户U1,并允许该用户将此权限授予其他用户”这一功能的是( ) A: GRANT SELECT TO SC ON U1 WITH PUBLIC B: GRANT SELECT ON SC TO U1 WITH PUBLIC C: GRANT SELECT TO SC ON U1 WITH GRANT OPTION D: GRANT SELECT ON SC TO U1 WITH GRANT OPTION