POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
MATERIAL_ALIAS
SUBTYPE OF
(
object_alias
);
aliased_object :
material
;
UNIQUE
si:
object_alias
.effective_date,
object_alias
.expiry_date,
object_alias
.naming_system, aliased_object;
END_ENTITY
; (* material_alias *)
Generated on Tue Jul 10 19:38:05 2001
© Copyright 2001 POSC. All rights reserved.