点滴积累【other】---存储过程修改表的所有字段（sql）

 1 USE [QG_Mis24]

 2 GO

 3 /****** Object:  StoredProcedure [dbo].[p_set]    Script Date: 07/11/2013 17:05:38 ******/

 4 SET ANSI_NULLS ON

 5 GO

 6 SET QUOTED_IDENTIFIER ON

 7 GO

 8  ALTER procedure [dbo].[p_set]   

 9  as   

10  declare tb cursor for  

11  SELECT sql='alter table ['+d.name   +'] alter column bgdlx Varchar(64) '  

12  FROM syscolumns a left join systypes b on a.xtype=b.xusertype  

13  inner join sysobjects d on a.id=d.id and a.name like '%bgdlx%' and a.length =10    

14  order by d.name,a.name   declare @sql varchar(1000)   

15  open tb   fetch next from tb into @sql   while @@fetch_status = 0   

16  begin   print @sql  

17  exec(@SQL)  fetch next from tb into @sql   

18  end   

19  close tb   

20  deallocate tb