语句UPDATE中，在WHERE子句中也可以嵌入子查询。_爱下问搜题

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问题判断题

语句UPDATE中，在WHERE子句中也可以嵌入子查询。

答案

参考答案：对

选择题

You'd better have a rest. You _____ for more than two hours without a break.

A. have worked
B. have working
C. have been working
D. have been worked

判断题

BJ9型手抬机动消防泵组的引水方式是利用废弃引水。