下列哪些条不属于Armstrong公理系统中的基本推理规则?()Ⅰ.若YX,则X→YⅡ.若X→Y,则XZ→YZⅢ.若X→Y,且ZY,则X→ZⅣ.若X→Y,且Y→Z,则X→ZⅤ.若X→Y,且X→Z,则X→YZ
A. 仅Ⅰ和Ⅲ
B. 仅Ⅲ和Ⅴ
C. 仅Ⅱ和Ⅳ
D. 仅Ⅳ和Ⅴ
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下列SQL Server 2000的组件中,属于服务器端组件的是()。Ⅰ.SQL服务器服务Ⅱ.查询分析器Ⅲ.分布式事务协调服务Ⅳ.数据传输服务
A. 仅Ⅰ和Ⅱ
B. 仅Ⅰ和Ⅲ
C. 仅Ⅲ和Ⅳ
D. 都是
What kind of decision-making is this passage concerned about
A. The decision whether or not to rent from a video store an objectionable film.
B. The decision to ban the film when found something objectionable in it.
C. The decision to tell the 14-year-old not to see the objectionable part.
D. The decision to protect the artistic expression of the film even objectionabl
What is the man supposed to be doing
A. He is moving to another city.
B. He is having a lot about moving.
C. He is considering the idea of moving.
D. He is making a decision on movin
When did Sonja move to Chicago
A. Three days ago.
B. Three weeks ago.
C. Three months ago.
D. Three years ago.