Method and infrastructure for processing queries in a database

Details Method and infrastructure for processing queries in a database Method and infrastructure for processing queries in a database

2007-11-20

2007-11-20

Leroux, Etienne (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

Reexamination Certificate

active

10926591

ABSTRACT:
Provided is a method for processing queries in a database in which data records have a parametric object and an extension of a nonparametric data type. A query includes a parametric condition for the parametric object of the data records and a nonparametric condition for the nonparametric extension of the data records. Parametric information of each data record is translated into constructs of the data type of the extension. A parametric result set of data records for the parametric condition is generated. The parametric condition of said query is translated into a filter condition for said constructs of the data type of the extension. The nonparametric condition of said query and said filter condition are employed to generate a nonparametric result set. The parametric result set and the nonparametric result set are joined to obtain a result set.

REFERENCES:
patent: 6546381 (2003-04-01), Subramanian et al.

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