Fields Present in All Release Files

The first four columns in all release files are shown in Table 3.1.3-1. The next three sections of the specification explain the ways in which these fields are used to support identification, versioning and modularization.

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Fields present in all release files

Field	Data type	Purpose	Mutable	Part of Primary Key
id	SCTID	Uniquely identifies a component.	NO	YES (Full/Snapshot)
id	UUID	Uniquely identifies a reference set member.	NO	YES (Full/Snapshot)
effectiveTime	Time	Specifies the inclusive date at which this rows state became the then current valid state of the identified component or reference set member.	YES	YES (Full) Optional (Snapshot)
active	Boolean	Specifies whether the state of the component or reference set member was active or inactive from the nominal release date specified by the effectiveTime.	YES	NO
moduleId	SCTID	Identifies the module this component or reference set member is currently maintained in. Set to a child of 900000000000443000 |Module| within the metadata hierarchy.	YES	NO