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【单选题】
创建外键约束时,如果要使删除记录对应记录外键值自动设为null,删除级联选项应该选用( )。
A.
casecade
B.
set null
C.
no action
D.
restrict
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参考答案：
举一反三
【单选题】It's time breakfast.
A.
at
B.
in
C.
of
D.
for
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【简答题】Children,It's time for breakfast.
查看完整题目与答案
【单选题】After a court accepts an application for bankruptcy, which of the following is NOT covered by bankruptcy expenses?
A.
Costs for litigations on bankruptcy cases
B.
Expenses for the administration of the debtor’s assets
C.
Liabilities generated from any damage caused by the debtor’s assets
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是( )
A.
木香
B.
枳实
C.
橘皮
D.
乌药
查看完整题目与答案
【单选题】行为发生后积极的刺激增加，导致了该行为增强的操作条件反射称为( )
A.
泛化
B.
正强化
C.
积极刺激
D.
有效刺激
查看完整题目与答案
【单选题】The costs of avoiding a bankruptcy filing by a financially distressed firm are classified as _____ costs.
A.
direct bankruptcy
B.
indirect bankruptcy
C.
financial solvency
D.
capital   structure
查看完整题目与答案
【单选题】钢琴因为它宽广的音域,绝美的音色,被人们摘取了()的桂冠。
A.
乐器之王
B.
乐器之后
C.
乐器之最
D.
乐器皇帝
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是( )
A.
香
B.
实
C.
橘皮
D.
乌药
E.
川楝子
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是（）
A.
木香
B.
枳实
C.
橘皮
D.
川楝子
查看完整题目与答案
【单选题】Which one has the same meaning with "on the brink of bankruptcy"?
A.
on the verge of bankruptcy
B.
chill of death
C.
take a breath of bankruptcy
D.
go bankrupt slowly
查看完整题目与答案
相关题目：
【单选题】It's time breakfast.
A.
at
B.
in
C.
of
D.
for
查看完整题目与答案
【简答题】Children,It's time for breakfast.
查看完整题目与答案
【单选题】After a court accepts an application for bankruptcy, which of the following is NOT covered by bankruptcy expenses?
A.
Costs for litigations on bankruptcy cases
B.
Expenses for the administration of the debtor’s assets
C.
Liabilities generated from any damage caused by the debtor’s assets
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是( )
A.
木香
B.
枳实
C.
橘皮
D.
乌药
查看完整题目与答案
【单选题】行为发生后积极的刺激增加，导致了该行为增强的操作条件反射称为( )
A.
泛化
B.
正强化
C.
积极刺激
D.
有效刺激
查看完整题目与答案
【单选题】The costs of avoiding a bankruptcy filing by a financially distressed firm are classified as _____ costs.
A.
direct bankruptcy
B.
indirect bankruptcy
C.
financial solvency
D.
capital   structure
查看完整题目与答案
【单选题】钢琴因为它宽广的音域,绝美的音色,被人们摘取了()的桂冠。
A.
乐器之王
B.
乐器之后
C.
乐器之最
D.
乐器皇帝
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是( )
A.
香
B.
实
C.
橘皮
D.
乌药
E.
川楝子
查看完整题目与答案
【单选题】破气消痞、化痰消积的药物是（）
A.
木香
B.
枳实
C.
橘皮
D.
川楝子
查看完整题目与答案
【单选题】Which one has the same meaning with "on the brink of bankruptcy"?
A.
on the verge of bankruptcy
B.
chill of death
C.
take a breath of bankruptcy
D.
go bankrupt slowly
查看完整题目与答案
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