POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOLOGIC_AGE_CLASSIFICATION
(* Local *)
SUBTYPE OF
(
association_reference
);
geologic_feature :
OPTIONAL
geologic_feature
;
material_class :
OPTIONAL
material_class
;
ref_age_classification_type :
ref_age_classification_type
;
reservoir_fluid_system :
OPTIONAL
reservoir_fluid_system
;
rock_material :
OPTIONAL
rock_material
;
temporal_object :
temporal_object
;
uncertainty_class :
OPTIONAL
uncertainty_class
;
UNIQUE
si: material_class, rock_material, reservoir_fluid_system, geologic_feature, ref_age_classification_type, temporal_object;
WHERE
mse: EXISTS(geologic_feature) XOR (EXISTS(material_class) XOR (EXISTS(reservoir_fluid_system) XOR EXISTS(rock_material)));
END_ENTITY
; (* geologic_age_classification *)
Generated on Tue Jul 10 19:37:55 2001
© Copyright 2001 POSC. All rights reserved.