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[小技巧]当字段名与MySQL保留字冲突的解决办法

WBOY
WBOYOriginal
2016-06-07 16:39:351108browse

我们知道通常的SQL查询语句是这么写的: select col from table; 这当然没问题,但如果字段名是“from”呢? select from from table; 若真的这么写,必然出错,当字段名与MySQL保留字冲突时,可以用字符“`”将字段名括起来: select `from` from table; 搞

我们知道通常的SQL查询语句是这么写的:

select col from table;

这当然没问题,但如果字段名是“from”呢?

select from from table;

若真的这么写,必然出错,当字段名与MySQL保留字冲突时,可以用字符“`”将字段名括起来:

select `from` from table;

搞定。

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