POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
FIELD
(* Local *)
SUBTYPE OF
(
pfnu
,
technical_earth_feature
);
country :
OPTIONAL
geopolitical_feature
;
INVERSE
pool :
SET [0:?] OF
pool
FOR
field;
pty_economic_gor_limit :
SET [0:?] OF
pty_economic_gor_limit
FOR
field;
pty_economic_limit_money :
SET [0:?] OF
pty_economic_limit_money
FOR
field;
pty_economic_oil_cut_limit :
SET [0:?] OF
pty_economic_oil_cut_limit
FOR
field;
pty_economic_water_cut_limit :
SET [0:?] OF
pty_economic_water_cut_limit
FOR
field;
pty_economic_wor_limit :
SET [0:?] OF
pty_economic_wor_limit
FOR
field;
pty_surface_area_recovery_fact :
SET [0:?] OF
pty_surface_area_recovery_fact
FOR
field;
UNIQUE
si:
earth_feature
.identifier, country;
WHERE
val1: country.ref_geopolitical_area.identifier = 'country';
END_ENTITY
; (* field *)
Generated on Tue Jul 10 19:37:50 2001
© Copyright 2001 POSC. All rights reserved.