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关于mysql 批量替换的有关问题

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Release： 2016-06-13 13:33:44
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关于mysql 批量替换的问题
表名是：sdb_daq_comment
字段是：content
content里面有一些 标记。
批量替换 mysql 标签的sql 怎么写？

------解决方案--------------------
update sdb_daq_comment set content=replace(content,'','');
------解决方案--------------------

探讨

引用:

try~
SQL code

update sdb_daq_comment set content = REPLACE(content, '', '') where 1 = 1;


没有呢。是 但是 标签里面的内容是一个超链接 是一个不确定的值。怎么一起去掉

------解决方案--------------------
try again~
SQL code

update sdb_daq_comment set content = REPLACE(content , substring(content, locate('<a>',content), locate('</a>', content)), '') where 1=1; <div class="clear">
                 
              
              
        
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comment content gt lt replace
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