U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Selecting a qualified data repository to create an index

Patent 5842197 Issued on November 24, 1998. Estimated Expiration Date: Icon_subject August 29, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Data sorting method
Patent #: 5121493
Issued on: 06/09/1992
Inventor: Ferguson

Method of sorting and compressing data
Patent #: 5274805
Issued on: 12/28/1993
Inventor: Ferguson, et al.

Method for updating an index tree structure of data based on node sizes
Patent #: 5307486
Issued on: 04/26/1994
Inventor: Nakamigawa

Database index design based upon request importance and the reuse and modification of similar existing indexes
Patent #: 5404510
Issued on: 04/04/1995
Inventor: Smith, et al.

Method of checking index integrity in a DB2 database
Patent #: 5579515
Issued on: 11/26/1996
Inventor: Hintz, et al.

Method for sorting and storing data employing dynamic sort tree reconfiguration in volatile memory Patent #: 5619693
Issued on: 04/08/1997
Inventor: Troisi

Inventor

Application

No. 705299 filed on 08/29/1996

US Classes:

707/2, Access augmentation or optimizing707/7, Sorting707/101, Manipulating data structure (e.g., compression, compaction, compilation)707/102Generating database or data structure (e.g., via user interface)

Examiners

Primary: Black, Thomas G.
Assistant: Homere, Jean R.

Attorney, Agent or Firm

International Class

G06F 007/08

Abstract

An improved method and apparatus for creating an index is disclosed. All data repositories containing the data necessary to create the index are identified, and one of these data repositories is then selected based on a predetermined criteria. The predetermined criteria includes the size of the possible data repositories, or a determination of which data repository will require the least amount of sorting. The selected data repository is then used to create an index.

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