Triton Db2 Geek

Confessions of a DB2 geek

IBM Gold Consultant Program and IBM Premier business Partner

Restore Transport option – mix and match your schemas (Part 1)

Published January 22nd, 2016 - by

I recently had a request from a client to help them build a database with a set of objects from two physical databases and provide a third ‘merged’ database. They’d already established that using 2 successive RESTORE commands with the TABLESPACE option was going to fail (SQL2560N : The target database is not identical to the Continue Reading

Pivoting and Unpivoting data with pureXML part 2

Published December 4th, 2015 - by

The previous blog (http://db2geek.triton.co.uk/pivoting-unpivoting-data-purexml ) was looking at how to ‘unpivot’ data: take a string of values stored in a single VARCHAR column and present them as a set of single values. This one is examining the flip-side of the problem: where data that is really a single entity spans a number of rows and needs Continue Reading

RUNSTATS versus Actuals

Published June 10th, 2015 - by

Now and again we get a slightly panicky call from one of our clients as they attempt to execute some part of their application and it takes far longer to run than it should, or than it did the last time it was executed. Our first question is usually “have you run REORGs and RUNSTATS Continue Reading

DDF and DBAT Queuing

Published May 18th, 2015 - by

When working with a customer a couple of years ago, we observed what appeared to be an odd situation, where we were well short of the DDF CONDBAT limit, but new connections to DB2 for z/OS were failing. What could be causing this? What do you mean by…..? Some terminology, just to start off with Continue Reading

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