POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PROCESS_DATA_ITEM
SUBTYPE OF
(
association
);
activity :
activity
;
process_data :
OPTIONAL
process_data
;
process_parameter :
OPTIONAL
process_parameter
;
UNIQUE
si: process_data, process_parameter, activity;
WHERE
sri1: process_parameter.activity_class :=: activity.kind;
END_ENTITY
; (* process_data_item *)
Generated on Tue Jul 10 19:38:13 2001
© Copyright 2001 POSC. All rights reserved.