USE [envisage]
GO

EXECUTE sp_rename N'dbo.Expenditure_Category.SystemAttributeOne', N'Tmp_SystemAttributeOne', 'COLUMN' 
GO
EXECUTE sp_rename N'dbo.Expenditure_Category.SystemAttributeTwo', N'Tmp_SystemAttributeTwo', 'COLUMN' 

GO
ALTER TABLE [dbo].[Expenditure_Category] ADD [SystemAttributeOne] [uniqueidentifier] NULL
ALTER TABLE [dbo].[Expenditure_Category] ADD [SystemAttributeTwo] [uniqueidentifier] NULL
GO

ALTER TABLE [dbo].[Expenditure_Category]
DROP COLUMN [Tmp_SystemAttributeOne]
GO

ALTER TABLE [dbo].[Expenditure_Category]
DROP COLUMN [Tmp_SystemAttributeTwo]
GO