Recent Articles
Posted By: John Hornibrook
Sun Apr 15th, 2018
DB2 is particularly good at running complex query and analytical processing. Since all modern hardware contains multiple cores and CPUs, and many systems are composed of multiple machines, it is critical that DB2 run individual queries across all available computing resources.
Posted By: Howard Goldberg
Tue Apr 3rd, 2018
One of the most common maintenance activities performed on a Db2 LUW database is running Runstats on tables and indexes. Accurate database statistics are vital for the Db2 Optimizer to produce the most optimal plans.
Posted By: Tony Andrews
Mon Dec 4th, 2017
In Part 1, I talked about some of the first steps that a developer should go through when it comes to tuning queries. In this article, I will go through the initial steps in evaluating a SQL query using the Db2 explain output.
Posted By: Tony Andrews
Sat Nov 11th, 2017
When it comes to tuning a query, program, or even an application that most developers are not sure where to begin or what may be causing response time issue(s). This article is here to help!
Posted By: Zoltan Toth
Tue Oct 31st, 2017
A database lock is a mechanism utilized by Db2 to govern the access to a database object amongst different transactions. This article describes the locking mechanism for Db2 (for LUW).