Maryela E. Weihrauch | Researchain

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international symposium on performance analysis of systems and software | 2000

DB2 for OS/390 V5 vs. V6 outer join performance

Maryela E. Weihrauch

The outer join operation is one of the most frequently used operations in a relational database management system. It becomes even more important in data warehouse and business intelligence applications. The processing of outer join of very large relations is a very costly operation. Therefore, a lot of effort has been expended in the development and implementation of optimization techniques to improve the performance of outer join. In this paper, the outer join optimization techniques implemented in DB2 UDB for OS/390 V6 (further reference as DB2 V6) are described and the efficiency is measured in a real world workload.

Archive | 2007

Extensible rapid application development for disparate data sources

Azadeh Ahadian; Stephen Andrew Brodsky; Anshul Dawra; Vasantha Jayakumar; Rebecca B. Nin; Michael Leon Pauser; Michael Schenker; Sonali Surange; Daya Vivek; Maryela E. Weihrauch

Archive | 2007

Apparatus, system, and method for a data server-managed web services runtime

Stephen Andrew Brodsky; Suavi Ali Demir; Michael Schenker; Peter Wansch; Maryela E. Weihrauch

Archive | 2006

APPARATUS, SYSTEM, AND METHOD FOR DATABASE MANAGEMENT EXTENSIONS

Stephen Andrew Brodsky; Holger Karn; Kevin Michael McBride; Peter Wansch; Maryela E. Weihrauch

Archive | 2007

Statement generation using statement patterns

William Robert Bireley; Delmar Eugene Blevins; Stephen Andrew Brodsky; Curt L. Cotner; Anshul Dawra; Swaminathan Gounder; Daya Vivek; Maryela E. Weihrauch

Archive | 2006