CREATE SEQUENCE [dbo].[BikePartIdHelper]
 AS [int]
 START WITH 1
 INCREMENT BY 1
 MINVALUE 0
 MAXVALUE 2147483647
 CACHE

GO

CREATE TABLE [dbo].[BikeParts](
    [ID] [int] IDENTITY(1,1) NOT NULL,
    [BikeParts_GUID]  AS ((replace(CONVERT([varchar](10),getdate(),(101)),'/','')+replace(CONVERT([varchar],getdate(),(8)),':',''))+right(replicate('0',(4))+CONVERT([varchar],[BikePart_ID]),(4))) PERSISTED,
    [BikePart_ID] [int] NOT NULL,
    [BikePart_Name] [varchar](100) NULL,
 CONSTRAINT [PK_BikeParts] PRIMARY KEY CLUSTERED
(
    [ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

GO

ALTER TABLE [dbo].[BikeParts] ADD  DEFAULT (NEXT VALUE FOR [dbo].[BikePartIdHelper]) FOR [BikePart_ID]

GO