POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PTY_LEGAL_SURVEY_LOCATION
SUBTYPE OF
(
pty_location
);
east_west_distance :
OPTIONAL
ndt_accurate_length
;
east_west_line :
OPTIONAL
legal_survey_feature
;
east_west_orientation :
OPTIONAL
ref_offset_line_orientation
;
legal_survey_area :
OPTIONAL
legal_survey_area
;
north_offset_first :
OPTIONAL
ndt_boolean
;
north_south_distance :
OPTIONAL
ndt_accurate_length
;
north_south_line :
OPTIONAL
legal_survey_feature
;
north_south_orientation :
OPTIONAL
ref_offset_line_orientation
;
ref_east_or_west :
OPTIONAL
ref_east_or_west
;
ref_north_or_south :
OPTIONAL
ref_north_or_south
;
vertex :
OPTIONAL
vertex
;
UNIQUE
si: vertex,
process_data
.activity;
WHERE
mse99: EXISTS(legal_survey_area) XOR (EXISTS(north_south_line) XOR EXISTS(east_west_line));
END_ENTITY
; (* pty_legal_survey_location *)
Generated on Tue Jul 10 19:38:30 2001
© Copyright 2001 POSC. All rights reserved.