POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
REF_AXIS_TYPE
(* Open *)
SUBTYPE OF
(
ref_code
);
INVERSE
coordinate_system_constraint :
SET [0:?] OF
coordinate_axis_constraint
FOR
axis_type;
quantity_property :
SET [0:?] OF
axis_type_alternative
FOR
axis_type;
UNIQUE
si:
ref_code
.identifier;
WHERE
val: EXISTS(quantity_property);
END_ENTITY
; (* ref_axis_type *)
Generated on Tue Jul 10 19:38:47 2001
© Copyright 2001 POSC. All rights reserved.