SEGUS & SOFTWARE ENGINEERING präsentieren
Dienstag den 9. Juni 2015
25 Years of Missed Opportunities? SQL Tuning Revisited
“Nothing is more expensive than a missed opportunity” (H. Jackson Brown, Jr).
This is especially true when it comes to SQL Tuning!
There are many low-hanging fruits within easy grasp of anyone tasked with tuning their systems. But how do you know what is dangling within reach if you can’t see it?
Find out how a modern DB2 z/OS SQL warehouse can collect and store all executed static and dynamic SQL (plex-wide) with basically no overhead.
By comparing SQL statements side-by-side, the “easy pickings” will immediately become apparent. But why stop there? Experts can effortlessly dig deeper and find the totally hidden gems: Disc Problem Detection, Delay Detection, Never executed SQL, SQL Timeline. Precisely pinpoint specific areas to target and get the most out of your DB2 system – while reducing costs.
1 – Tuning SQL – how we always done it
2 – Single SQL, package, application
3 – Tuning SQL – year 2004 – ACCESS PATH comparison and simulation
4 – Tuning SQL Revisited – A new methodology
5 – Harvesting the low hanging fruit
Ulf Heinrich is the Director of Solutions Delivery at SOFTWARE ENGINEERING GmbH. He specializes in DB2 recovery issues and database maintenance, focusing on the growing requirement for cost reduction and 24×7 operations. As a consultant at large customer sites, he has implemented database maintenance procedures and recovery strategies, and also experienced the pitfalls of recovery scenarios under real-world recovery pressure. His activities cover EMEA, as well as North America through SE’s U.S. subsidiary, SEGUS Inc. He’s involved in the development of SE’s maintenance and recovery Solutions.