Home Backend Development PHP Tutorial mysql语句,该如何处理

mysql语句,该如何处理

Jun 13, 2016 am 10:08 AM
com replace update

mysql语句
请问一条mysql 删除语句, 把包含网址的都删除...例如 一篇文章里面包含了又网址链接 我要把所有有这个网址都删除,, http://www.baidu.com 或者 www.baidu.com 都给删除 这删除语句在怎么写

------解决方案--------------------
update table set fieldName = fieldName.str_replace ...
------解决方案--------------------
将有网址的记录删除
delete from 表名 where 字段名 link '%www.baidu.com%'

将内容里的网址去掉
update 表名 set 字段名= 字段名.str_replace('www.baidu.com','')
------解决方案--------------------
把http://www.baidu.com替换掉就ok了。
注意顺序:

SQL code
update 表名 set 字段名= 字段名.str_replace(http://www.baidu.com','')update 表名 set 字段名= 字段名.str_replace(www.baidu.com','')<br><font color="#e78608">------解决方案--------------------</font><br>
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SQL code
update 表名 set 字段名= 字段名.str_replace('http://www.baidu.com','')update 表名 set 字段名= 字段名.str_replace('www.baidu.com','')<br><font color="#e78608">------解决方案--------------------</font><br>学习过了。谢谢。……<div class="clear">
                 
              
              
        
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