Author: Ember Crooks

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Db2 Basics: Levels of Configuration

Updated 11/22/2017: instructions on how to run the SQL statement There are a number of places where we can store and change configuration for a Db2 server. I wanted to walk through the main areas and a few details about them. Db2 Registry The Db2 registry actually has a number of levels within itself. It is accessed using the db2set...

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DB2 Basics: Statement Terminators

The default statement terminator for DB2 on Linux, UNIX, and Windows platforms is the semi-colon (;). If you are executing a script of SQL using the -tf options, and do not specify an alternate terminator, DB2 will assume you are using the semi-colon. There are some statements that require semi-colons within the statements, though. For these kinds of statements, the...

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Nothing Changed! A DB2 LUW Performance Investigation

I think that one of my least favorite phrases is “Nothing else changed!” More common than a performance problem that simply slowly creeps up with performance getting worse and worse over time is the sudden performance problem. Many times, sudden database performance problems can be mapped back to a specific change at some level. Nothing Changed! Other times, everyone involved...

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Ember’s Take on Monitoring DB2 LUW

I have some very specific perspectives on monitoring DB2. In addition to regular consulting in my day job, we also provide full-service virtual DBA services, including monitoring. The monitoring we choose to do is very much under my control, and I’m constantly working on enhancements. I thought I’d blog on what I like to monitor and alert on without going...

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Ember Speaking at DB2 Symposium on 16 May

Once again this year, I’ll be speaking at the DB2 Symposium in Einhoven on 16 May! I’ll be giving a day-long intensive on DB2 Security, Performance, and a Touch of Cloud. I’ve been working hard on creating and polishing the presentation, and am quite excited to be including Jupyter Notebook topics in this presentation, in addition to the topics mentioned...