Optimizing the processing of in-list rows

Details Optimizing the processing of in-list rows Optimizing the processing of in-list rows

2011-08-23

2011-08-23

Le, Uyen T. (Department: 2157)

Data processing: database and file management or data structures

Database and file access

Query optimization

Reexamination Certificate

active

08005820

ABSTRACT:
A SQL query that includes an IN-List is optimized by utilizing an array insert to insert the IN-List into a spool and piggybacking IN-List rows into a join step.

REFERENCES:
patent: 5848408 (1998-12-01), Jakobsson et al.
patent: 5963932 (1999-10-01), Jakobsson et al.
patent: 6397204 (2002-05-01), Liu et al.
patent: 6629102 (2003-09-01), Malloy et al.
patent: 6990484 (2006-01-01), Ghazal et al.
patent: 2004/0249845 (2004-12-01), Das

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