在整个库里查某个值并替换

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--在整个库里查某个值
declare @str varchar(100)
set @str='oldvalue' --要搜索的字符串

declare @s varchar(8000)
declare tb cursor local for
select s='if exists(select 1 from ['+b.name+'] where convert(varchar,['+a.name+']) like''%'+@str+'%'')
print ''select top 5 ['+a.name+'],* from ['+b.name+']'''
from syscolumns a join sysobjects b on a.id=b.id
where b.xtype='U' and a.status>=0
--所查列的字段类型
and a.xusertype in(175,239,231,167,56,60,108,106)
open tb
fetch next from tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch next from tb into @s
end
close tb
deallocate tb

--在整个库里查某个值
declare @str varchar(100)
declare @str2 varchar(100)
set @str='oldvalue' --要搜索的字符串
set @str2='newvalue' --要替换的字符串

declare @s varchar(8000)
declare tb cursor local for
select s='if exists(select 1 from ['+b.name+'] where convert(varchar,['+a.name+']) like''%'+@str+'%'')
print ''update ['+b.name+'] set ['+a.name+']='''''+@str2+''''' where ['+a.name+']='''''+@str+''''''''
from syscolumns a join sysobjects b on a.id=b.id
where b.xtype='U' and a.status>=0
--所查列的字段类型
and a.xusertype in(175,239,231,167,56,60,108,106)
open tb
fetch next from tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch next from tb into @s
end
close tb
deallocate tb

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