题目内容

The author tells the story of Henry Evans imagining a web over the head of an customer to

A. Y
B. N
C. NG

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基于以下描述：有关系模式R(S, T, C, D, G)，根据语义有如下函数依赖集：F={(S, C) →T, C→D, (S, C) →G, T→C}。
关系模式R的规范化程度最高达到()。

A. 1NF
B. 2NF
C. 3NF
D. 4NF

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【B17】

A. associated
B. compared
C. combined
D. involved

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听力原文：M: How's the new job going？
W: Well. I'm getting used to lots of new things. But I wish the supervisor would give me sane feedback.
Q: What does the woman imply？
(17)

A. She is working for a newspaper now.
B. She wants to know her supervisor's opinion of her work.
C. She wishes she had a different supervisor.
D. She dines with her supervisor regularly.

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下列哪些条目是SQL Server 2000中常用的对象？()
Ⅰ. 表 Ⅱ. 数据类型 Ⅲ. 约束 Ⅳ. 规则
Ⅴ. 视图 Ⅵ. 索引 Ⅶ. 默认值

A. 仅Ⅰ、Ⅲ、Ⅴ和Ⅵ
B. 仅Ⅰ、Ⅱ、Ⅳ和Ⅴ
C. 仅仅Ⅰ、Ⅲ、Ⅴ、Ⅵ和Ⅶ
D. 都是

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The author tells the story of Henry Evans imagining a web over the head of an customer to

A. Y B. N C. NG

基于以下描述：有关系模式R(S, T, C, D, G)，根据语义有如下函数依赖集：F={(S, C) →T, C→D, (S, C) →G, T→C}。关系模式R的规范化程度最高达到()。

【B17】

听力原文：M: How's the new job going？W: Well. I'm getting used to lots of new things. But I wish the supervisor would give me sane feedback.Q: What does the woman imply？(17)

下列哪些条目是SQL Server 2000中常用的对象？()Ⅰ. 表 Ⅱ. 数据类型 Ⅲ. 约束 Ⅳ. 规则Ⅴ. 视图 Ⅵ. 索引 Ⅶ. 默认值

A. Y
B. N
C. NG

基于以下描述：有关系模式R(S, T, C, D, G)，根据语义有如下函数依赖集：F={(S, C) →T, C→D, (S, C) →G, T→C}。
关系模式R的规范化程度最高达到()。

听力原文：M: How's the new job going？
W: Well. I'm getting used to lots of new things. But I wish the supervisor would give me sane feedback.
Q: What does the woman imply？
(17)

下列哪些条目是SQL Server 2000中常用的对象？()
Ⅰ. 表 Ⅱ. 数据类型 Ⅲ. 约束 Ⅳ. 规则
Ⅴ. 视图 Ⅵ. 索引 Ⅶ. 默认值