POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
FEATURE_BOUNDARY
ABSTRACT SUPERTYPE OF
(
ONEOF
(
feature_boundary_part
,
feature_boundary_undivided
))
SUBTYPE OF
(
geologic_feature
);
INVERSE
feature_boundary_part :
SET [0:?] OF
feature_boundary_part
FOR
feature_boundary;
pty_geologic_age :
SET [0:?] OF
pty_geologic_age
FOR
feature_boundary;
pty_geologic_age_range :
SET [0:?] OF
pty_geologic_age_range
FOR
feature_boundary;
END_ENTITY
; (* feature_boundary *)
Generated on Tue Jul 10 19:37:49 2001
© Copyright 2001 POSC. All rights reserved.