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【单选题】
参照完整性要求有关联的两个或两个以上表之间数据的一致性。参照完整性可以通过建立()来实现。A.
主键约束和唯-约束
B.
主键约束和外键约束
C.
唯一约束和外键约束
D.
以上都不是
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【简答题】根据句意和首字母提示完成下列句子 1. Sorry, I can't r____ her e-mail address. 2. N____wants to go there to have a boring meeting. 3. We don' like Lucy's new l 4. Zhou Jielun is a p____ s____. I like his songs. 5. Don'...
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【多选题】当事人证明仲裁裁决有下列（ ）情形之一的，可以向仲裁委员会所在地的中级人民法院申请撤销仲裁裁决。
A.
没有仲裁协议
B.
裁决的事项不属于仲裁协议的范围或者仲裁委员会无权仲裁
C.
仲裁庭的组成或者仲裁的程序违反法定程序
D.
仲裁庭持不同意见的仲裁员未在裁决书上签名
E.
裁决所根据的证据是伪造的
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【简答题】选择适当的选项补全对话. A : What's your name? B : My name is Tom Green. A : __ 1 __ B : I come from England. A : Where do you study? B: I study at Brooklyn College. A: What do you like? B : __ 2 __ Do you like...
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