It isn't possible to produce such result sets with a relational query language alone.

If you were using SQL ( Structured Query Language ) thecommand would look like this.

如果你一直使用SQL ( 结构化查询语言 ),则命令会是.

SQL ( structured query language ) is the world's most prevailing and standardized database language.

SQL ( 结构化查询语言 ) 是世界上最流行的和标准化的数据库语言.

SPARQL is the query language for the Semantic Web.

SPARQL是语义网络的查询语言.

The CD-ROM version also contains a query language for serious work.

光盘版也为严肃工作提供了查询语言.

Look and listen. Then read and answer the question.

看课文,听录音. 然后读一读并且回答问题.

A few boys will be able to answer the question.

有几个男孩能回答这问题.

I am sorry I can not answer the question.

很抱歉我无法回答这个问题.

I am ashamed that I could not answer the question.

我很惭愧不能回答这个问题.

Since you can't answer the question, perhaps we'd better ask someone else.

既然你无法回答这个问题, 我们最好再问问别人.

If you can not answer the question, leave a blank.

如果答不上来就空着.

I am ashamed that I couldn't answer the question.

我很惭愧不能回答问题.

Those who can answer the question may raise their hand.

能回答这问题的人请举手.

The objection is sustained, and the witness will not answer the question.

反对有效, 证人可不对问题做回答.

Mark how to answer the question.

注意如何回答这个问题.

I would be the last to attempt to answer the question.

我是最不可能去尝试回答这个问题。

The educational units should try to keep pace with these developments.

教育部门要紧紧跟上.

He could easily keep pace with him when they ran races.

赛跑时两人也能不离左右.

We must make sure that we keep pace with new developments in computer technology.

我们必须确保跟上电脑技术的新发展.

Tom has to take long steps to keep pace with his father.

汤姆必须迈大步才能跟上他的父亲.

She wanted to keep pace with her grandmother.

她希望和她的祖母并驾齐驱.