题目内容

在SQL语句中,用户只能通过基本表查询数据。

A. 对
B. 错

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一条UPDATE语句在某一时刻能更新多张表。

A. 对
B. 错

Choose the right expressions to complete the sentences.If something is sensational, it is _______________.

A. shocking and surprising
B. dangerous

An ongoing problem is one that is __________________.

A. under control
B. continuing

Momentous consequences are likely to be _______________________.

A. important
B. unimportant