!Field
ID is an numeric field that uniquely identifies a record within the data base.  This uniqueness of this field is automatically maintained through [data base sequences|DATA BASE SEQUENCE] and [data base triggers|DATA BASE TRIGGER].  

It is through ID and [foreign key|FOREIGN KEY] links to this field from other tables that records are linked through the data base, and by which [referential integrity|REFERENTIAL INTEGRITY] is maintained.
!Domain
ID is also an [application domain|DOMAIN] which imparts the following characteristics:
* Oracle data type is [NUMBER](10)


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![Notes|Edit:Internal.ID] 	
[{InsertPage page='Internal.ID' default='Click to create a new notes page'}]