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Mark Gillis

Principal Consultant

Favourite topics – Performance Tuning, BLU acceleration, Flying, Martial Arts & Cooking

Mark, our kilt-wearing, karate-kicking DB2 expert has been in IT for 30+years (started very young!) and using DB2 for 20+. He has worked on multi-terabyte international data warehouses and single-user application databases, and most enterprise solutions in between.

During his career Mark has adopted roles outside of the conventional DBA spectrum; such as designing reporting suites for Public Sector users using ETL and BI tools to integrate DB2 and other RDMS data. He has worked extensively in the UK, but also in Europe and Australia, in diverse industry sectors such as Banking, Retail, Insurance, Petro-Chemicals, Public Sector and Airlines.

Currently the focus of Mark’s work is in Cloud migration and support, hybrid database enablement and providing expertise in exploiting the features and functions of DB2 V11.1 and 11.5.

Recent Posts by Mark Gillis

What-is-Cloud-Final-Blog-Image-Mark-Gillis

Jan

2020 Posted by Mark Gillis

What is the Cloud?

What is the Cloud? The oft-repeated answer to this question is “it doesn’t exist; it’s just someone else’s computer”. While this is a nice succinct way of reminding people that the hardware to run our systems has to actually exist

Dec

2019 Posted by Mark Gillis

Behind the Scenes with Foreign Keys Part 2

The previous blog (Behind the scenes with Foreign Keys part 1) was looking at the impact on your data of switching Foreign Keys (FKs) off and how to clean up the ensuing orphan data. I’m going to move on now

Nov

2019 Posted by Mark Gillis

Behind the Scenes with Foreign Keys

In this two-part blog 'Behind the Scenes with Foreign Keys' I’m going to take a look at what Foreign Keys do “under-the covers” or, more accurately what some of the options available will do in combination with each other. Part

View Recent Posts by Mark Gillis