Indexing method of database management system

Details Indexing method of database management system Indexing method of database management system

2011-03-01

2011-03-01

Corrielus, Jean M (Department: 2162)

Data processing: database and file management or data structures

File management

File directory structure

C707S829000, C707S955000, C707S956000, C707S968000, C711S111000, C711S152000, C711S163000

Reexamination Certificate

active

07899851

ABSTRACT:
A database management system has a plurality of database servers and data can be transferred between them by partitioning a data area into small areas and altering allocation of the small areas to the database servers. After altering the configuration, there occurs degradation in processing speed that accompanies re-creation of the index. If this problem is solved by using conventional techniques, noticeable degradation in processing speed will occur to a specific query at the time of a steady state operation. Accordingly, an index created for each of the small areas and an index to all of the small areas are allocated to the database server and used in combination.

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