Articles & Content


Best Practices for Query Performance In a Data Warehouse (D09)

Topic: DB2 for LUW

Subtopic: 2010

DATE: 2010-5-13 (08:30 AM - 09:30 AM)
SPEAKERS: Calisto Zuzarte (IBM)

This presentation will look at considerations to improve query performance in a warehouse from various angles that influence the IBM DB2 optimizer. It will cover: 1) database schema layout considerations, including database partitioning, table partitioning and multi-dimensional clustering considerations; 2) performance layer considerations, including indexing and materialized query tables; 3) tuning considerations, including configuration settings and statistics; and 4) application design considerations and SQL best practices.

EXP. LEVEL: Intermediate


To highlight key considerations that influence the DB2 optimizer in order to get better performance in a warehouse

To highlight some database and table design considerations that influence query performance

To highlight important performance layer considerations .. including indexes, Materialized Query Tables, Statistical Views etc.,

To look at some Application query design that will help DB2 give better performance

To provide best practices to consider for improved performance in a warehouse

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