在SQL中,集合成员算术比较操作“元组<>ALL(集合)”中的“<>ALL”的等价操作符是()。
A. NOT IN
B. IN
C. <>SOME
D. =SOME
All the evidence points to the fact ______ he is the murderer.
A. who
B. which
C. that
D. those
Does his absence()to your work?
A. make a difference
B. take all the credit
C. bring about
Here you are, Sir.()
A. All right.
B. Yes, here we are.
C. Thank you very much.
A.正确
B.错误
A、I’m sad
B、I don’t care
C、That’s all right. There’s no hurry
D、No, not at all
要为当前表所有职称为“教授”的职工增加1000元津贴,应使用命令()。
A. REPLACE ALL津贴WITH津贴+1000
B. REPLACE津贴WITH津贴+1000 FOR职称=”教授”
C. CHANGE ALL津贴WITH津贴+1000
D. CHANGE ALL津贴WITH津贴+1000 FOR职称=”教授”