高分求解SQL游标问题
有如下一种代码,目的从库中枚举出表名与所有者,如果表的所有者是 'wygl '则将之修改为 'dbo '。但是代码在运行时只是不停的取出第一个表,游标并不向下走,搞不清楚是什么问题?! 
 代码如下: 
 ------------------------------   
 Declare   @table_name   varchar(40),@table_schema   varchar(20) 
 Declare   table_cursor   CURSOR   FOR 
 SELECT   table_name,table_schema   from   INFORMATION_SCHEMA.TABLES   
 open   table_cursor   
 FETCH   NEXT   FROM   table_cursor   into   @table_name,@table_schema 
 WHILE   @@FETCH_STATUS   =   0 
 PRINT   @table_name+ ' '+@table_Schema 
 BEGIN 
       if   @table_schema= 'wygl ' 
                   BEGIN 
 	PRINT   @table_name+ ' '+@table_Schema 
 	EXEC   sp_changeobjectowner   @table_name   , 'dbo '                
                   END 
          FETCH   NEXT   FROM   table_cursor   into   @table_name,@table_schema 
 END 
 CLOSE   table_cursor 
 DEALLOCATE   table_cursor   
------解决方案--------------------那句代碼放在那裡,相當於WHILE @@FETCH_STATUS = 0中只有首先“PRINT @tble_name+ ' '+@table_Schema  ”這一句代碼。   
 游標不能移動,“WHILE @@FETCH_STATUS = 0”也就一直滿足條件,就在那死循環了.
------解决方案--------------------Declare @table_name varchar(40),@table_schema varchar(20) 
 Declare table_cursor CURSOR FOR 
 SELECT table_name,table_schema from INFORMATION_SCHEMA.TABLES   
 open table_cursor   
 FETCH NEXT FROM table_cursor into @table_name,@table_schema 
 WHILE @@FETCH_STATUS = 0 
 BEGIN 
 PRINT @table_name+ ' '+@table_Schema   
   if @table_schema= 'wygl ' 
       BEGIN 
 	PRINT @table_name+ ' '+@table_Schema 
 	EXEC sp_changeobjectowner @table_name , 'dbo '      
       END 
    FETCH NEXT FROM table_cursor into @table_name,@table_schema 
 END 
 CLOSE table_cursor 
 DEALLOCATE table_cursor
------解决方案--------------------这样就OK了简单方便: 
 declare   hcforeach   cursor   global    
  for    
 SELECT  'EXEC sp_changeobjectowner  '+quotename( 'wygl. '+table_name, ' ' ' ') + ', ' 'dbo ' ' '  
 from INFORMATION_SCHEMA.TABLES where table_schema= 'wygl '  
   exec   sp_msforeach_worker    '? ' 
------解决方案--------------------一个while 死循环
------解决方案--------------------WHILE @@FETCH_STATUS = 0 
    PRINT @table_name+ ' '+@table_Schema   
 在这步进入死循环。