Triton Db2 Geek

Confessions of a DB2 geek

IBM Gold Consultant Program and IBM Premier business Partner

Tag Archives: DB2

If it ain’t broke, don’t fix it

Published January 31st, 2017 - by

Ever heard this expression? One of my least favourites. Flip it over and express it the other way around: Wait until it breaks and then try and fix it I don’t think that is something you seriously want to consider in a Production environment and yet it is something we come across as database support Continue Reading

DB2 Native REST API – Getting Started

Published January 17th, 2017 - by

Introduction With DB2 for z/OS customers expanding their business presence into the mobile client world, solution developers are seeking more efficient ways to leverage existing data and business logic to support this. The REST (Representative State Transfer) native API implemented in DB2 is a light weight interface using HTTP POST / GET request handling to Continue Reading

SQL Query Tuning Exercise

Published November 16th, 2016 - by

In this exercise we shall look at several different methods of tuning a poorly performing SQL query. The Problem The Original SQL Query The Original Access Path So, where is the problem? Looking at the Access Path chosen by the DB2 Optimizer, all looks well – all tables are either accessed via indexes, or not Continue Reading

DB2 11 for z/OS Comes of Age

Published March 2nd, 2016 - by

It’s easy to think of DB2 11 for z/OS as still being the new kid on the block, but it actually became Generally Available back in October 2013 – Miley Cyrus was getting plenty of airtime with Wrecking Ball and the movie Gravity was expertly inducing vertigo in audiences all around the world. New releases 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

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