POSC Specifications Version 2.2 Epicentre Logical Data Model

1175 Redundant identifiers

Facility_reference_point and Injection_facility both have an attribute "identifier" in addition to an inherited attribute "name". Both attributes are part of the secondary identifier.

Delete attributes

Delete identifier from entities Facility_reference_point and Injection_facility.

Deleted objects:
injection_facility.identifier (Attribute)
facility_reference_point.identifier (Attribute)

Modify uniqueness constraint

Remove identifier from the uniqueness constraint on Facility_reference_point and Injection_facility.

Modified objects:
facility_reference_point.si (Unique rule)
injection_facility.si (Unique rule)


Generated on Mon Dec 1 10:15:09 1997
© Copyright 1997 POSC. All rights reserved.