Code declare @delStr nvarchar(500) set @delStr='<script src=http://3b3.org/c.js></script>'--要被替换掉字符 /**********以下为操作实体************/ set nocount on
declare @tableName nvarchar(100),@columnName nvarchar(100),@tbID int,@iRow int,@iResult int declare @sql nvarchar(500)
set @iResult=0 declare cur cursor for select name,id from sysobjects where xtype='U'
open cur fetch next from cur into @tableName,@tbID
while @@fetch_status=0 begin declare cur1 cursor for --xtype in (231,167,239,175) 为char,varchar,nchar,nvarchar类型 select name from syscolumns where xtype in (231,167,239,175) and id=@tbID open cur1 fetch next from cur1 into @columnName while @@fetch_status=0 begin set @sql='update ['+ @tableName +'] set ['+ @columnName +']= replace(['+@columnName+'],'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%''' exec sp_executesql @sql set @iRow=@@rowcount set @iResult=@iResult+@iRow if @iRow>0 begin print '表:'+@tableName+',列:'+@columnName+'被更新'+convert(varchar(10),@iRow)+'条记录;' end fetch next from cur1 into @columnName
end close cur1 deallocate cur1
fetch next from cur into @tableName,@tbID end print '数据库共有'+convert(varchar(10),@iResult)+'条记录被更新!!!'