declare @oldstr varchar(100)
set @oldstr='原字串' --原字元
declare @newstr varchar(100)
set @newstr='新字串' --新字元
declare @s varchar(8000)
declare tb cursor local for
select s='if exists(select 1 from ['+b.name+'] where ['+a.name+'] like ''%'+@oldstr+'%'')
update ['+b.name+'] set ['+a.name+']='''+@newstr+''' where ['+a.name+']='''+@oldstr+''' '
from syscolumns a join sysobjects b on a.id=b.id
where b.xtype='u' and a.status>=0
and a.xusertype in(175,239,231,167)
open tb
fetch next from tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch next from tb into @s
endclose tb
deallocate tb
給定乙個任意的字段的值，查詢出它屬於的表及哪個欄位的sql語句:
declare @str varchar(100)
set @str='ph' --要搜尋的字串
declare @s varchar(8000)
declare tb cursor local for
select s='if exists(select 1 from ['+b.name+'] where ['+a.name+'] like ''%'+@str+'%'')
print ''所在的表及字段: ['+b.name+'].['+a.name+']'''
from syscolumns a join sysobjects b on a.id=b.id
where b.xtype='u' and a.status>=0
and a.xusertype in(175,239,231,167)
open tb
fetch next from tb into @s
while @@fetch_status=0
begin
exec(@s)
fetch next from tb into @s
endclose tb
deallocate tb
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