Abstract records

Details Abstract records Abstract records

2005-01-14

2009-11-24

Vo, Tim T. (Department: 2168)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

07624097

ABSTRACT:
Embodiments of the invention provide methods, systems, and articles of manufacture improving the process of query composition, query processing, and presenting query results to users of an abstract database. Embodiments of the present invention organize and view data using abstract records. Specifically, users compose a query according to the logical relationships present in the data. Rather than evaluate conditions against a set of rows from a relational table, conditions included in abstract query are evaluated against instances of an abstract record. Instances that satisfy the conditions specified by an abstract query are returned as query results. In a specific case abstract records are used to evaluate a “never exists conditions, that determine the absence of data in an abstract records that satisfy a particular condition.

REFERENCES:
patent: 6581054 (2003-06-01), Bogrett
patent: 6725227 (2004-04-01), Li
patent: 7263517 (2007-08-01), Sheu et al.
patent: 7383255 (2008-06-01), Desai et al.
patent: 2003/0163455 (2003-08-01), Dettinger et al.
patent: 2003/0172056 (2003-09-01), Dettinger et al.
U.S. Appl. No. 10/083,075, “Application Portability and Extensibility Through Database Schema and Query Abstraction”, filed Feb. 26, 2002.
U.S. Appl. No. 10/403,356, “Dealing with Composite Data Through Data Model Entities”, filed Mar. 31, 2003.
U.S. Appl. No. 11/005,418, “Abstract Query Plan”, filed Dec. 6, 2004.

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