Articles & Content


Recursive SQL From a Performance Perspective (E02)

Topic: 2009 EU

Subtopic: Cross Platform DB2 for z/OS & LUW

DATE: 2009-10-5 (13:30 - 14:30)
SPEAKERS: Thomas Baumann (Swiss Mobiliar)

Recursive queries are a powerful technique to traverse hierarchical data structures and to solve similar problems. This presentation revisits the concepts of recursive SQL, analyzes its performance impact, discusses and compares alternate design and query techniques, and delivers tipps and tricks to optimize the performance of recursive queries.

EXP. LEVEL: Beginner,Intermediate,Advanced


Recursive SQL concept and syntax

Limitations of recursive queries

Optimization and tuning of recursive queries

Comparison of alternate techniques

Case Studies

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