Before 354, Christ's birthday was celebrated ______.A. on December 25thB. on different daysC. in December, 300D. in the year of our Lord
Before 354, Christ's birthday was celebrated ______.
A. on December 25th
B. on different days
C. in December, 300
D. in the year of our Lord
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Before 1920s, the American women were ______ the right to vote in a large extent.A、deprived ofB、depriving ofC、persuade ofD、persuading of
对于基本表S(S#，Name，Sex，Birthday)和SC(S#，C#，Grade)，其中S#、Name、Sex、Birthday、C#和G rade分别表示学号、姓名、性别、生日、课程号和成绩。与下列SQL语句等价的关系代数式是______。 SELECT S#，Name FROM S WHERE S# NOT IN (SELECT S# FROM SC WHERE C#='c102')。A．πS#,Name(σC#≠'c102'(SSC))B．πS#,Name(S)-πS#,Name(σC#≠'c102'(SSC))C．πS#,Nmne(SσC#≠'c102'(SC))D．πS#,Name(S(SC))
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