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MySQl数据库字符串替换函数使用_MySQL

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Release： 2016-06-01 13:36:37
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MySQl数据库字符串替换函数使用

 

需求：需要将数据表中一个字段的值里面的所有的  .   替换成  _  

 

原来的数据是  site.title  site.keywords  ....

 

替换后要为     site_title  site_keywords

 

使用的SQL语句如下：    

 

        update `setting` set ckey=replace(ckey, '.', '_');

 

setting是表名

 

ckey是字段名

 

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