Выполните запрос:

Код:
USE [BillCruxRF]
GO
IF  EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_tbl_user_Cash]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[tbl_user] DROP CONSTRAINT [DF_tbl_user_Cash]
END
GO
USE [BillCruxRF]
GO
IF  EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[tbl_user]') AND type in (N'U'))
DROP TABLE [dbo].[tbl_user]
GO
USE [BillCruxRF]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[tbl_user](
	[ID] [int] NULL,
	[UserID] [varchar](20) NOT NULL,
	[Cash] [float] NOT NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
ALTER TABLE [dbo].[tbl_user] ADD  CONSTRAINT [DF_tbl_user_Cash]  DEFAULT ((0)) FOR [Cash]
GO