题目内容（请给出正确答案）

[单选题]

阅读下面SQL语句： SELECT * FROM department WHERE did NOT IN（SELECT did FROM employee WHERE age=20); 下面对上述语句的描述中，正确的是（）

A.查询存在年龄为20岁的员工的部门

B.查询年龄小于20岁的员工的部门

C.查询不存在年龄为20岁的员工的部门

D.查询年龄大于20岁的员工的部门

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更多“阅读下面SQL语句： SELECT * FROM depar…”相关的问题

第1题

阅读下面SQL语句： SELECT * FROM department WHERE EXISTS(select did from employee where age > 21); 下面对上述语句的功能描述中，正确的是（）

A、查询年龄大于21的员工信息

B、查询存在年龄大于21的员工所对应的部门信息

C、查询存在年龄大于21的员工所对应的员工信息

D、查询存在年龄大于21的员工信息

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第2题

给定如下SQL语句： SELECT p1.* FROM employee p1 JOIN employee p2 ON p1.did=p2.did WHERE p2.name='王红'; 下面关于该SQL语句的说法中，正确的是（）

A、采用了自连接查询

B、采用了普通交叉连接查询

C、存在语法错误，因为JOIN两边都是对同一个表操作

D、用于查询与王红不同一个部门的员工

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第3题

Where did he go yesterday?

To the ______ .

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第4题

According to another explanation, where did this expression probably come from?

A．Australia.

B．Japan.

C．Netherland.

D．England.

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第5题

According to Ms. Rowling, where did she get the ideas for the Harry Potter books?

A．From a book.

B．She doesn't really know where they originated.

C．From her children.

D．From her families.

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第6题

20：According to another explanation, where did this expression probably come from?

A.Australia.

B.Japan.

C.Netherland.

D.England.

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第7题

Where did the man find his dictionary?

A．Under his bed

B．In his desk.

C．He's not sure.

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第8题

Where did the mine companies operate according to the news item?

A. In 28 states, from West Virginia in the east to Montana in the west.

B. In 27 states, from West Virginia in the west to Montana in the east.

C. In 27 states, from West Virginia in the east to Montana in the west.

D. In 28 states, from West Virginia in the west to Montana in the east.

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第9题

Where did the man find his dictionary?

A．Under his bed,

B．In his desk.

C．He's not sure.

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第10题

Where did the mine companies operate according to the news item?

A．In 28 states, from West Virginia in the east to Montana in the west.

B．In 27 states, from West Virginia in the west to Montana in the east.

C．In 27 states, from West Virginia in the east to Montana in the west.

D．In 28 states, from West Virginia in the west to Montana in the east.

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