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CASE statements are very powerful and you should use them when you can to create elegant and optimal SQL in your DB2 applications.
Database performance issues are all about change. Craig Mullins explains in latest blog post.
Most DBAs have struggled with the pros and cons of choosing one data type over another. This blog post discusses different situations.
Craig Mullins' blog post maps out the process for developers who need to retrieve a limited number of qualifying rows from a table.
The dirty read capability can provide relief to concurrency problems for faster performance. Make sure to understand the implications of the UR isolation level.
It is important for DB2 DBAs and application programmers to know the four isolation levels and their impact on SQL in order to control concurrency and locking.
Craig Mullins' blog post takes users through the different approaches to access path management in order to develop strategies on how to REBIND your programs.
One of the most important areas for tuning DB2 subsystem performance is memory usage. This post shares buffering and memory guidelines for better DB2 performance.
This blog post discusses costs vs. advantages of converting an existing application from IMS DB to DB2.