POSC Specifications: Epicentre Version 3.0 Relational Implementation

COMMON_MATERIAL_COMPOSITION (COMMON_MATERIAL_COMPOSITION)

(DDL)

An association indicating that material characterized (via classification or kind of class) by a material class may reasonably be expected to have a submaterial that is characterized by another material class. This is not declaring the composition of a class. Rather it is declaring an expected composition of a material that is a member of the class. A decomposition is not required but if a decomposition is defined then this is the expected decomposition. For example, a class of 'pie' might have two common compositions of class 'crust' and 'filling' respectively. Thus, a material which is characterized as 'pie' could be expected to have two submaterials which are respectively characterized as 'crust' and 'filling'. This composition is the nominal composition of the actual material (what is expected), but the actual material composition should describe what was actually done rather than what was intended.

Table is related to: data_collection_content, document_specification_part, @graphical_element

Primary Key Constraint on: INSTANCE_S

Generated on Tue Jul 10 16:09:00 2001
© Copyright 2001 POSC. All rights reserved.