DDEX Data Dictionary, 2020-05-19

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Intro

ern:ReleaseId

A message term for ern:NewReleaseMessage, ern:PurgeReleaseMessage.

A Composite containing details of a ReleaseId. If available, a GRid should always to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.

Component Structure
Components	Name	Description of Element Role	Cardinality	Data Type
	XmlSequence		1
	| GRid	The GRid identifying the Release. This is the preferred Element and is mandatory if a GRid is available. A GRid comprises four parts: the xs:string 'A1', followed by five alphanumeric characters, ten alphanumeric characters and and one alphanumeric character. DDEX will enforce the syntax [a-zA-Z0-9]{18} using XML Schema in the future.	0-1	String (xs:string)
	| ICPN	An ICPN used as proxy for identification of the Release. Only applicable when the Release is an abstraction of a complete PhysicalProduct. An ICPN comprises 12 or 13 digits, depending whether it is an EAN (13) or a UPC (12). DDEX will enforce the syntax [0-9]{12,13} using XML Schema in the future.	0-1	String (xs:string)
	| CatalogNumber	A Composite containing details of the CatalogNumber of the Release.	0-1	ddexC:CatalogNumber
	| ProprietaryId	A Composite containing details of a ProprietaryIdentifier of the Release.	0-n	ddexC:ProprietaryId
Is Member of Composites	Composite Name	Description of Element Role	Cardinality	Label of Element in Composite	Further Reading
	ern:ErnMessageInBatch	A Composite containing details of ReleaseIds. If available, a GRid should always be used.	1-n	IncludedReleaseId
	ern:PurgedRelease	A Composite containing details of ReleaseIds. If available, a GRid has to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	0-1	ReleaseId
	ern:RelatedRelease	A Composite containing details of ReleaseIds. If available, a GRid shall always to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	1	ReleaseId
	ern:Release	A Composite containing details of ReleaseIds. If available, a GRid has to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	1	ReleaseId
	ern:ResourceGroup	A Composite containing details of ReleaseIds of a Release which has the same content as the ern:ResourceGroup. If available, a GRid has to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	1	ReleaseId
	ern:ResourceSubGroup	A Composite containing details of ReleaseIds of a Release which has the same content as the ern:ResourceGroup. If available, a GRid has to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	1	ReleaseId
	ern:TrackRelease	A Composite containing details of ReleaseIds. If available, a GRid has to be used. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.	1	ReleaseId

Relationships
Has Components From	ddexC:ReleaseId	A Composite containing details of a ReleaseId. If available, a GRid should always to be used. If the Release contains only one SoundRecording, the ISRC of the SoundRecording may be used instead. If the Release is an abstraction of a complete PhysicalProduct (such as a CD Album), the ICPN of the PhysicalProduct may be used instead.

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