The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 1999
Filed:
Aug. 15, 1997
Tracy Kim Burroughs, Byron, MN (US);
Wilson D Lee, Rochester, MN (US);
Cynthia Ann Rogers, Rochester, MN (US);
Laura Jane Zaborowski, Winona, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for mapping between relational schema and object schema, wherein the relational schema includes a table having a tiebreaker column. In accordance with the present invention, an object-oriented application program may instantiate a persistent dependent object with one of two or more specific instances that is selected in response to the value of a data element in a tiebreaker column. Alternatively, an object-oriented application program may instantiate a persistent entity object in accordance with one of two or more entity classes that is selected in response to the value of a data element in a tiebreaker column.