POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
WELL_TEST_TRACE
SUBTYPE OF
(
data_trace
);
SELF
\
process_data
.activity :
activity
;
temporary_completion :
OPTIONAL
temporary_completion
;
well_completion :
OPTIONAL
well_completion
;
UNIQUE
si:
data_trace
.identifier, temporary_completion, well_completion, activity;
WHERE
ose: (EXISTS(well_completion) XOR EXISTS(temporary_completion)) XOR (NOT (EXISTS(well_completion) OR EXISTS(temporary_completion)));
END_ENTITY
; (* well_test_trace *)
Generated on Tue Jul 10 19:39:21 2001
© Copyright 2001 POSC. All rights reserved.