Execution of requests in a parallel database system

Details Execution of requests in a parallel database system Execution of requests in a parallel database system

2005-10-04

2005-10-04

Mofiz, Apu M. (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

06952692

ABSTRACT:
A database system is able to perform efficient execution of insert-select, join-delete, or join-update requests. The database system has plural access modules to manage access of respective portions of data in a storage of the database system. If certain predefined criteria are satisfied, the insert-select, join-delete, or join-update request can be executed by performing a single-access module merge and/or merge-delete step on a single one of the access modules with row-level locks (e.g., row-hash locks).

REFERENCES:
patent: 5978576 (1999-11-01), Sanadidi et al.
patent: 6081801 (2000-06-01), Cochrane et al.
patent: 6738756 (2004-05-01), Brown et al.
patent: 6801903 (2004-10-01), Brown et al.
Oracle 8i documentation, 1999, pp. 1-31.

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