Sample Fact Table
The sample fact table file only introduces one new column to the mix: TransactionID.
USE YourEDW
DROP TABLE IF EXISTS [dw].[FactYourFactTableName]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ARITHABORT ON
GO
CREATE TABLE [dw].[FactYourFactTableName](
[RowID] [bigint] IDENTITY(1,1) NOT NULL,
--dimension keys
[TransactionID] NVARCHAR(100) NULL,
--your columns.
[CreatedOn] [datetime] NULL,
[CreatedBy] [nvarchar](50) NULL,
[UpdatedOn] [datetime] NULL,
[UpdatedBy] [nvarchar](50) NULL,
[SourceSystem] [nvarchar](50) NULL,
[UniqueDims] AS (CONVERT([varbinary](35),hashbytes('SHA1',concat(
CONVERT([nvarchar](35),[DimKey1CK],(0)),
CONVERT([nvarchar](35),[DimKey2CK],(0)),
CONVERT([nvarchar](35),[TransactionID],(0))
)),(0))) PERSISTED,
--unique rows is optional
[UniqueRows] AS (CONVERT([varbinary](35),hashbytes('SHA1',concat(
CONVERT([nvarchar](35),[Column1],(0)),
CONVERT([nvarchar](35),[Column2],(0))
)),(0))) PERSISTED,
CONSTRAINT [PK_prices] PRIMARY KEY CLUSTERED
(
[RowID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY],
CONSTRAINT [IX_FactYourFactTableName] UNIQUE NONCLUSTERED
(
[UniqueDims] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
--index is optional
DROP INDEX IF EXISTS [NCIDX_FactYourFactTableName_UniqueDims] ON [dw].[FactYourFactTableName]
GO
CREATE NONCLUSTERED INDEX [NCIDX_FactYourFactTableName_UniqueDims] ON [dw].[FactYourFactTableName]
(
[UniqueDims] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY]
GO
--index is optional
DROP INDEX IF EXISTS [NCIDX_FactYourFactTableName_UniqueRows] ON [dw].[FactYourFactTableName]
GO
CREATE NONCLUSTERED INDEX [NCIDX_FactYourFactTableName_UniqueRows] ON [dw].[FactYourFactTableName]
(
[UniqueRows] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY]
GO
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