Sql 批量替换所有表中内容

前端之家收集整理的这篇文章主要介绍了Sql 批量替换所有表中内容前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。

<div class="codetitle"><a style="CURSOR: pointer" data="71357" class="copybut" id="copybut71357" onclick="doCopy('code71357')"> 代码如下:

<div class="codebody" id="code71357">
declare @t varchar(255),@c varchar(255)
declare table_cursor cursor for select a.name,b.name
from sysobjects a,syscolumns b,systypes c
where a.id=b.id and a.xtype='u' and c.name
in ('char','nchar','nvarchar','varchar','text','ntext'/ --这里如果你的text(ntext)类型没有超过8000(4000)长度,才可以使用/)
declare @str varchar(500),@str2 varchar(500)
set @str='' /这里是你要替换的字符/
set @str2='' /替换后的字符/
open table_cursor
fetch next from table_cursor
into @t,@c while(@@fetch_status=0)
begin exec('update [' + @t + '] set [' + @c + ']=replace(cast([' + @c + '] as varchar(8000)),'''+@str+''','''+ @str2 +''')') fetch next from table_cursor
into @t,@c end close table_cursor deallocate table_cursor;

原文链接:https://www.f2er.com/mssql/64346.html

猜你在找的MsSQL相关文章