POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
DRILLING_DERRICK_SYSTEM
SUBTYPE OF
(
general_facility
);
design :
OPTIONAL
ndt_comment
;
UNIQUE
si:
facility
.identifier,
facility
.ref_existence_kind,
general_facility
.identifying_facility;
END_ENTITY
; (* drilling_derrick_system *)
Generated on Tue Jul 10 19:37:44 2001
© Copyright 2001 POSC. All rights reserved.