____A.Primary Key NOTNULLB.PIimary,KeyC.Foreign KeyD.Candidate KeyA.B.C.D.

____

A.Primary Key NOTNULL

B.PIimary,Key

C.Foreign Key

D.Candidate Key

A.

B.

C.

D.


相关考题:

Python中通过Key来从字典object中读取对应的Value的方法有() A.object[key]B.object.get(key)C.object.pop(key)D.object.pop()

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下列表达正确的是()A.if(key=0)B.if(key==0)C.for(key=0)D.while(key=0);

设P11接按键key0,则,测试按键释放的语句为()A.if(key0==0)B.if(key0==1)C.key=0D.key=1

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等待按键按下后松开的语句是() A. while(key=0); B. if(key==0); C. while(key==0); D. if(key=0);

给定关键码序列26, 25, 20, 33, 21, 24, 45, 204, 42, 38, 29, 31,用散列法进行存储(本题采用闭散列方法解决冲突),规定负载因子α=0.6。请给出最合理的除余法的散列函数。A.H(key)=key % 17B.H(key)=key % 23C.H(key)=key % 19D.H(key)=key % 20

给定关键码序列26, 25, 20, 33, 21, 24, 45, 204, 42, 38, 29, 31,用散列法进行存储(本题采用闭散列方法解决冲突),规定负载因子α=0.5。请给出最合理的除余法的散列函数。A.H(key)=key % 24B.H(key)=key % 11C.H(key)=key % 12D.H(key)=key % 23

4、给定关键码序列26, 25, 20, 33, 21, 24, 45, 204, 42, 38, 29, 31,用散列法进行存储(本题采用闭散列方法解决冲突),规定负载因子α=0.6。请给出最合理的除余法的散列函数。A.H(key)=key % 17B.H(key)=key % 23C.H(key)=key % 19D.H(key)=key % 20