Row-identifier list processing management

Details Row-identifier list processing management Row-identifier list processing management

2011-02-22

2011-02-22

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database and file access

Search engines

C707S742000

Reexamination Certificate

active

07895185

ABSTRACT:
A method, computer program product, and system for managing row identifier (RID) list processing on an index are provided. The method, computer program product, and system provide for accessing one or more key values in the index based on one or more keys specified in a query, retrieving a plurality of row identifiers corresponding to the one or more key values from the index, and predicting an actual number of row identifiers to be retrieved from the index based on the one or more key values accessed and the plurality of row identifiers retrieved.

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