å¯ä»¥ç¨åå¨è¿ç¨æ¥æ¥è¯¢ï¼ä½æ¯å¦æ表太大ï¼ä¼å¾å½±åé度åå ç¨ç³»ç»èµæºã
å¦ï¼è¦å¨æ°æ®åºä¸æ¥è¯¢å段å
容为âå¼ ä¸âç表åå段ï¼å¯ç¨å¦ä¸ä»£ç ï¼
declare @cloumns varchar(40)
declare @tablename varchar(40)
declare @str varchar(40)
declare @counts int
declare @sql nvarchar(2000)
declare MyCursor Cursor For
Select a.name as Columns, b.name as TableName from syscolumns a,sysobjects b,systypes c
where a.id = b.id
and b.type = 'U'
and a.xtype=c.xtype
and c.name like '%char%'
set @str='å¼ ä¸'
Open MyCursor
Fetch next From MyCursor Into @cloumns,@tablename
While(@@Fetch_Status = 0)
Begin
set @sql='select @tmp_counts=count(*) from ' +@tablename+ ' where ' +@cloumns+' = ''' +@str+ ''''
execute sp_executesql @sql,N'@tmp_counts int out',@counts out
if @counts>0
begin
print '表å为:'+@tablename+',å段å为'+@cloumns
end
Fetch next From MyCursor Into @cloumns,@tablename
End
Close MyCursor
Deallocate MyCursor
æ§è¡ç»æï¼
è¿æ ·å°±è½å®ä½å°è¡¨ååå段åäºã