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【单选题】
旅游者某参加某旅行社组织的旅游活动,支付了旅游综合服务费人民币1500元,由于旅行社提供的服务属欺诈,按《消费者权益保护法》规定,旅行社旅游者赔偿人民币( )A.
4500元
B.
2000元
C.
2500元
D.
3000元
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【单选题】实现“取消用户USER4对学生表STUD中学号(XH)的修改权限”这一功能的SQL语句是( )。
A.
REVOKE UPDATE (XH) ON TABLE FROM USER4
B.
REVOKE UPDATE (XH) ON TABLE STUD FROM PUBLIC
C.
REVOKE UPDATE (XH) ON TABLE STUD FROM USER4
D.
REVOKE ALL PRIVILEGES ON TABLE STUD FROM USER4
【简答题】I am LiPing. I graduate from senior high school and major in __ 1 _____. I started learning English since I was 12 years old. My parents ___ 2 ____ a lot of American friends. That’s why I have no prob...
【单选题】实现“收回用户U4对学生表STUD中学号(XH)的修改权”这一功能的正确SQL语句是 ______。
A.
REVOKE UPDAE(XH)ON TABLE FROM U4
B.
REVOKE UPDAE(XH)ON TABLE STUD FROM PUBLIC
C.
REVOKE UPDAE(XH)ON TABLE STUD FROM U4
D.
REVOKE ALL PRIVILEGES ON TABLE FROM U4
【单选题】实现“收回用户U4对学生表STUD中学号(XH)的修改权”这一功能的正确SQL语句是______。
A.
REVOKE UPDATE(XH)ON TABLE FROM U4；
B.
REVOKE UPDATE(XH)ON TABLE STUD FROM PUBLIC；
C.
REVOKE UPDATE(XH)ON TABLE STUD FROM U4；
D.
REVOKE ALL PRIVIL EGES ON TABLE FROM U4；
【简答题】I have no problem with you expressing your opinions, but that doesn't mean that your opinions cannot be stupid, or _____, or ignorant. (inform)
【简答题】I have no problem______(爬) the mountains, which is not too high.
【简答题】语句revoke ALL, from 'user1'@'localhost'可以撤销用户所有权限。
【简答题】I think you should think twice before you make a __________ (决定). 2. A seat belt can help protect passengers in many car __________ (事故). 3.There is a __________ (刀) and some pens on Wang Jun’s desk. ...
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