SQL的数据修改功能是指 ______ 。A．插入 B．更新 C．删除 D．以上都是_爱下问搜题

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问题单项选择题

SQL的数据修改功能是指 ______ 。

A．插入

B．更新

C．删除

D．以上都是

答案

参考答案：D

选择题

Some people suggest changing the date for the college entrance exams into _____ Saturday and Sunday of the first week of June, which I think is _____ good advice.

A. /; /
B. the; the
C. the; a
D. the; /

选择题

The doctor told me that I would recover from my illness if I ______ a healthy diet.

A．got through

B．fit in

C．stuck to

D．kept up