Production.ProductCostHistory (table)

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Table	Production.ProductCostHistory
Description	Changes in the cost of a product over time.

Columns

Column	Data Type	Nullable	Default	Description
ProductID	int	not null		Product identification number. Foreign key to Product.ProductID
StartDate	datetime	not null		Product cost start date.
EndDate	datetime	null		Product cost end date.
StandardCost	money	not null		Standard cost of the product.
ModifiedDate	datetime	not null	(getdate())	Date and time the record was last updated.

Primary Key

Primary Key	Columns
PK_ProductCostHistory_ProductID_StartDate	ProductID, StartDate

Check Constraints

Check Constraint	Expression	Description
CK_ProductCostHistory_EndDate	([EndDate]>=[StartDate] OR [EndDate] IS NULL)	Check constraint [EndDate] >= [StartDate] OR [EndDate] IS NULL
CK_ProductCostHistory_StandardCost	([StandardCost]>=(0.00))	Check constraint [StandardCost] >= (0.00)

Foreign Keys

Relation	Column	Referenced Column
Production.Product	ProductID	ProductID

References

Dependency Type	Object Type	Referenced Object
Schema	Schema	Production

Dependencies

Reference Type	Object Type	Referencing Object
Select	Function	dbo.ufnGetProductStandardCost

automatically generated

Table	Production.ProductCostHistory
Description	Changes in the cost of a product over time.

Column	Data Type	Nullable	Default	Description / PK / Index
ProductID	int	not null		Product identification number. Foreign key to Product.ProductID PK_ProductCostHistory_ProductID_StartDate
StartDate	datetime	not null		Product cost start date. PK_ProductCostHistory_ProductID_StartDate
EndDate	datetime	null		Product cost end date.
StandardCost	money	not null		Standard cost of the product.
ModifiedDate	datetime	not null	(GETDATE())	Date and time the record was last updated.

Relation	Column	Referenced Column
Production.Product	ProductID	ProductID

Dependency Type	Object Type	Referenced Object
Schema	Schema	Production

Reference Type	Object Type	Referencing Object
Select	Function	dbo.ufnGetProductStandardCost