Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner.

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Presentation transcript:

Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner ancestor descendant... IntegerValueStringValue UserObject... Object Link owner target ModelItem name: String InstanceItem instanceOf value: Integervalue: String Separate tables One table Separate tables Joined tables created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables AdhocTAManagedTA type: MType = {R,M,D} Joined tables One table v t

Specialization {hierarchical} Type abstract: Boolean Association unique: Boolean target Integer > String > UserType owner ancestor descendant ModelItem name: String Separate tables One table...

IntegerValueStringValue UserObject... Object Link owner target ModelItem name: String InstanceItem value: Integervalue: String Separate tables Joined tables instanceOf

UserObject Link created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables type: AType v t

UserObject Link created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables AdhocTAManagedTA type: AType Joined tables One table v t

Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner ancestor descendant ModelItem name: String Separate tables One table...