--该功能是删除所有包含@SearchString字符串位置开始,直到最末尾的数据 DECLARE@fieldtype sysname DECLARE@SearchStringvarchar(500) SET@fieldtype='nvarchar'--字段类型 SET@SearchString='</ti'--需要删除的数据 --删除处理 DECLARE hCForEach CURSOR GLOBAL FOR SELECT N'update '+QUOTENAME(o.name) +N' set '+QUOTENAME(c.name) + N' = stuff('+QUOTENAME(c.name) +',charindex('''+@SearchString+''','+QUOTENAME(c.name) +'),len('+QUOTENAME(c.name) +'),'''')' +N' where charindex('''+@SearchString+''','+QUOTENAME(c.name) +') > 0' FROM sysobjects o,syscolumns c,systypes t WHERE o.id=c.id ANDOBJECTPROPERTY(o.id,N'IsUserTable')=1 AND c.xusertype=t.xusertype AND t.name=@fieldtype EXEC sp_MSforeach_Worker @command1=N'?'