POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
SCHEDULE_CONSTRAINT
SUBTYPE OF
(
association
);
absolute_time :
OPTIONAL
ndt_date_tod
;
activity_duration :
OPTIONAL
ndt_day_interval
;
constrained_by :
OPTIONAL
activity
;
constraint_for :
activity
;
ref_schedule_constraint :
ref_schedule_constraint
;
relative_time :
OPTIONAL
ndt_day_interval
;
schedule :
schedule
;
UNIQUE
si: ref_schedule_constraint, schedule, constrained_by, constraint_for;
END_ENTITY
; (* schedule_constraint *)
Generated on Tue Jul 10 19:39:05 2001
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