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SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: lw
-- Create date: 2009-07-31
-- Description: Ç¿ÐÐɾ³ý±íÁÐ,¡¾ÎÞ´íÎó¡¿¡¾É¾³ý±íµÄÁÐ֮ǰһ¶¨ÒªÉ¾³ýÒÀÀµ£¬Ë÷Òý¡¿,²»È»»á±¨ºÜ¶à´íÎó
-- =============================================
alter PROCEDURE [dbo].[Delete_Column_Constraint]
(
@tablename nvarchar(50),
@columnname nvarchar(50)
)
AS
--ɾ³ýij×ֶεÄËùÓйØÏµ
declare tb cursor local for
--ĬÈÏÖµÔ¼Êø
select sql='alter table ['+b.name+'] drop constraint ['+d.name+']'
from syscolumns a
join sysobjects b on a.id=b.id
join syscomments c on a.cdefault=c.id
join sysobjects d on c.id=d.id
where b.name = @tablename
and a.name = @columnname
union all --Íâ¼üÒýÓÃ
select s='alter table ['+c.name+'] drop constraint ['+b.name+']'
from sysforeignkeys a
join sysobjects b on b.id=a.constid
join sysobjects c on c.id=a.fkeyid
join syscolumns d on d.id=c.id and
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select replace(replace(replace(CONVERT(varchar, getdate(), 120 ),'-',''),' ',''),':','')
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