POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
TYPICAL_MATERIAL_VERSION
SUBTYPE OF
(
transient_association
);
original :
typical_material
;
version :
typical_material
;
UNIQUE
si:
transient_association
.end_time,
transient_association
.start_time, original, version;
END_ENTITY
; (* typical_material_version *)
Generated on Tue Jul 10 19:39:16 2001
© Copyright 2001 POSC. All rights reserved.