varchar(40),@password varchar(20))
AS
select id from user_info where user_name=@user_name and password=@password
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO

CREATE PROCEDURE [user_info_2]
(@user_name varchar(40),@password varchar(20))
AS
SET XACT_ABORT ON
BEGIN TRANSACTION
delete from user_info where user_name=@user_name and password=@password
COMMIT TRANSACTION
SET XACT_ABORT OFF
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS OFF
GO

CREATE PROCEDURE [user_info_3] AS
select * from user_info
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO　　

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