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:
Jan. 14, 1997
Filed:
Dec. 01, 1994
Helge Knudsen, Oakville, CA;
Daniel T Chong, Woodbridge, CA;
John Yaffe, Mississauga, CA;
James E Taugher, Mississauga, CA;
Michael Robertson, Mississauga, CA;
Zbigniew Plazak, Etobicoke, CA;
Amdahl Corporation, Sunnyvale, CA (US);
Abstract
An object access system for retrieving objects in response to requests identifying requested objects, the system comprising an access structure consisting of a plurality of tables where each table is identified by a unique table identifier and has a plurality of rows where each row has a plurality of fields and is identified by a unique primary key in one of the fields and where a field may also contain objects; a row index for each table, each row index having entries ordered on the primary key of the rows in the table where each entry points to a row of fields in the table; a table index ordered on the table identifier for the tables, the table index having an entry for each table which point to the row index for that table and access means, responsive to requests for an object having an associated table identifier and primary key, for searching the table index for the requested table identifier and for retrieving from the table index entry for the requested table identifier the pointer to the row index for the requested table identifier, searching the pointed to row index for the requested primary key and retrieving from the row index entry for the requested primary key the pointer to the row of fields and searching the pointed to row of field for the requested object and retrieving the requested object.