CREATE TABLE [Sales].[SalesTerritoryHistory] (
[BusinessEntityID] INT NOT NULL,
[TerritoryID] INT NOT NULL,
[StartDate] DATETIME NOT NULL,
[EndDate] DATETIME NULL,
[rowguid] UNIQUEIDENTIFIER CONSTRAINT [DF_SalesTerritoryHistory_rowguid] DEFAULT (newid()) ROWGUIDCOL NOT NULL,
[ModifiedDate] DATETIME CONSTRAINT [DF_SalesTerritoryHistory_ModifiedDate] DEFAULT (getdate()) NOT NULL,
CONSTRAINT [PK_SalesTerritoryHistory_BusinessEntityID_StartDate_TerritoryID] PRIMARY KEY CLUSTERED ([BusinessEntityID] ASC, [StartDate] ASC, [TerritoryID] ASC),
CONSTRAINT [CK_SalesTerritoryHistory_EndDate] CHECK ([EndDate]>=[StartDate] OR [EndDate] IS NULL),
CONSTRAINT [FK_SalesTerritoryHistory_SalesPerson_BusinessEntityID] FOREIGN KEY ([BusinessEntityID]) REFERENCES [Sales].[SalesPerson] ([BusinessEntityID]),
CONSTRAINT [FK_SalesTerritoryHistory_SalesTerritory_TerritoryID] FOREIGN KEY ([TerritoryID]) REFERENCES [Sales].[SalesTerritory] ([TerritoryID])
);
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Unique nonclustered index. Used to support replication samples.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'INDEX', @level2name = N'AK_SalesTerritoryHistory_rowguid';
GO
CREATE UNIQUE NONCLUSTERED INDEX [AK_SalesTerritoryHistory_rowguid]
ON [Sales].[SalesTerritoryHistory]([rowguid] ASC);
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Sales representative transfers to other sales territories.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Foreign key constraint referencing SalesTerritory.TerritoryID.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'FK_SalesTerritoryHistory_SalesTerritory_TerritoryID';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Date and time the record was last updated.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'ModifiedDate';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'ROWGUIDCOL number uniquely identifying the record. Used to support a merge replication sample.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'rowguid';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Primary key (clustered) constraint', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'PK_SalesTerritoryHistory_BusinessEntityID_StartDate_TerritoryID';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Date the sales representative left work in the territory.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'EndDate';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Primary key. Date the sales representive started work in the territory.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'StartDate';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Default constraint value of NEWID()', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'DF_SalesTerritoryHistory_rowguid';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Check constraint [EndDate] >= [StartDate] OR [EndDate] IS NULL', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'CK_SalesTerritoryHistory_EndDate';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Default constraint value of GETDATE()', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'DF_SalesTerritoryHistory_ModifiedDate';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Primary key. Territory identification number. Foreign key to SalesTerritory.SalesTerritoryID.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'TerritoryID';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Foreign key constraint referencing SalesPerson.SalesPersonID.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'CONSTRAINT', @level2name = N'FK_SalesTerritoryHistory_SalesPerson_BusinessEntityID';
GO
EXECUTE sp_addextendedproperty @name = N'MS_Description', @value = N'Primary key. The sales rep. Foreign key to SalesPerson.BusinessEntityID.', @level0type = N'SCHEMA', @level0name = N'Sales', @level1type = N'TABLE', @level1name = N'SalesTerritoryHistory', @level2type = N'COLUMN', @level2name = N'BusinessEntityID';
GO
