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Koen Verbeeck

Koen Verbeeck is a Microsoft Business Intelligence consultant at element61, helping clients to get insight in their data. Koen has a comprehensive knowledge of the SQL Server BI stack, with a particular love for Integration Services. He's also a speaker at various conferences.

The shaky bug in SSIS

You may or may not have noticed it after installing SQL Server 2012: the designer interface in Visual Studio 2010/2012 has had a make-over. Nothing too drastic, but at least the undo button works. However, sometimes when you drag or move tasks/components on the canvas, they start to shake. A… Read more

0 comments, 125 reads

Posted in Koen Verbeeck on 24 March 2015

Small presenter tip: changing display mode automatically after presenter view

This morning Adam Machanic (blog | twitter) asked the following question on Twitter:

A very interesting question, as I… Read more

0 comments, 167 reads

Posted in Koen Verbeeck on 4 March 2015

Solving a slow running query issue with UNION

That’s right! I will solve a performance issue by adding a UNION into the query. Interested? Read on!

I recently encountered a curious issue with a query. The query itself wasn’t exactly rocket science: it read data from a few tables and calculated the start and the end dates of… Read more

7 comments, 7,349 reads

Posted in Koen Verbeeck on 25 February 2015

T-SQL Tuesday #63: How do you manage security

This month’s T-SQL Tuesday is hosted by Kenneth Fisher (blog | twitter) and its subject is about security.

Security is one of those subjects that most DBAs have to deal with regardless of specialty. So as something we all have to work with at some point or another… Read more

0 comments, 6,097 reads

Posted in Koen Verbeeck on 10 February 2015

Author of the Year at

I have the pleasure and privilege to announce that I was awarded with the “Author of the Year” award at the website!
I am humbled by the recognition of my fellow peers in the SQL Server community and I’d like to thank all of you, the #sqlfamily, for voting. Read more

2 comments, 100 reads

Posted in Koen Verbeeck on 13 January 2015

The mysterious permission issue

As you might have realized, this is not the title of an Agatha Christie book, but rather about some nasty permission issue I encountered with SSIS. At a new project, someone mentioned me that a scheduled job has been failing for quite some time now (actually since they created the… Read more

2 comments, 137 reads

Posted in Koen Verbeeck on 9 January 2015

Better late than never…

Just like last year, I’m a bit late with the obligatory “how was last year and what is this year supposed to bring” blog post. Anyway, here it is. Let’s start by wishing every one of you the very best for the new year. I hope 2015 may bring… Read more

0 comments, 170 reads

Posted in Koen Verbeeck on 8 January 2015

Overview of Published Articles – 2014Q4

Here is an overview of the articles I published in the last quarter of 2014.


The third and final part of this series will probably be published this month, so… Read more

0 comments, 174 reads

Posted in Koen Verbeeck on 7 January 2015

Formatting Durations in SSAS: Caveat

I recently published an article on titled Format Durations in SQL Server Analysis Services. For those who haven’t read it I’ll summarize it quickly: it explains how to create an MDX formula that formats durations into an [hh]:mm:ss format, where [hh] can go over 24 hours. For more… Read more

0 comments, 145 reads

Posted in Koen Verbeeck on 22 December 2014

Nominated for the 2014 Tribal Awards

Just like last year, and Simple Talk are hosting the Tribal Awards. In their words:

The Tribal Awards, co-hosted by Simple-Talk and SQLServerCentral, seek to recognize outstanding members of the SQL community. We want to highlight people who are currently leaders due to their writing, speaking, or general community…

Read more

0 comments, 166 reads

Posted in Koen Verbeeck on 18 December 2014

PASS BI VC recording is available now

The recording of the webinar I did for the PASS BI virtual chapter is live!
(Quick reminder: it was the same session as on the SQLServerDays: How to (not) torment your fellow SSIS developer?)

I’m quite pleased with the recording, although I sound like a drunk German scientist sometimes. Read more

0 comments, 281 reads

Posted in Koen Verbeeck on 5 December 2014

Beware the defaults! (in windowing functions) – The Movie!

I was recently contacted by the fine gents of Webucator, an online training services provider. In order to promote their SQL Server classes, they are doing a free series called SQL Server Solutions from the Web where they show different SQL Server solutions found in blog posts around… Read more

4 comments, 156 reads

Posted in Koen Verbeeck on 27 November 2014

Nominated for Author of the Year

I have the great pleasure to announce that I have been nominated for the “Author of the Year” award at the MSSQLTips website. This means however I have to persuade people to vote for me, hence this blog post

You can vote for me at the following URL:

Note… Read more

1 comments, 123 reads

Posted in Koen Verbeeck on 20 November 2014

PASS BI VC: How to (not) torment your fellow SSIS developer?

On November 17th 2PM CET I will redo my SQL Server Days presentation How to (not) torment your fellow SSIS developer? for the PASS BI virtual chapter. This is great news for the people who couldn’t attend my session at the SQL Server Days and who still want to… Read more

6 comments, 197 reads

Posted in Koen Verbeeck on 12 November 2014

T-SQL Tuesday #59: My Hero

This month’s T-SQL Tuesday is hosted by Tracy McKibben (blog | twitter) and is all about heroes (not the TV show).

Ada Lovelace has been an inspiration to many. In keeping with my blog theme, let’s call her a hero. We all have our heroes, those people who…

Read more

3 comments, 608 reads

Posted in Koen Verbeeck on 14 October 2014

Beware the defaults! (in windowing functions)

Some time ago I was writing some windowing functions on a set of data. Basically I was looking for the last date an event had occurred for each type of event. Let’s illustrate with an example:

	,[Group] CHAR(1) NOT NULL…

Read more

5 comments, 5,734 reads

Posted in Koen Verbeeck on 7 October 2014

SQL Server Days 2014 – Slide deck

SQL Server Days 2014 is over, but it has been one great event. A very big thanks to the organizers! My session went pretty well, somewhere around 60 attendees I would guess and they didn’t seem too bored. I saw some other great sessions as well, such as Buck Woody… Read more

0 comments, 189 reads

Posted in Koen Verbeeck on 6 October 2014

The Magic Alt Button

Lately I have been using more and more the awesomeness of the Alt-button in SQL Server Management Studio (SSMS). What do I mean with this? While holding the Alt-button on your keyboard, you can select a block of text instead of lines of text.

Note that this is not an… Read more

9 comments, 174 reads

Posted in Koen Verbeeck on 23 September 2014

Stupid me #4 – The login is from an untrusted domain

After quite a while it has finally returned: another Stupid Me™®©! A reminder:

Every time I do something “stupid”, which happens from time to time, I’ll do a little blog post on what happened and how I solved it. The reason for this is twofold: I’ll have a solution online… Read more

1 comments, 6,572 reads

Posted in Koen Verbeeck on 21 August 2014

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