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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.

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, 5,776 reads

Posted in Koen Verbeeck on 21 August 2014

Tableau Data Visualization Cookbook – Review

After my review of Tableau Dashboard Cookbook, I read another book about Tableau, namely Tableau Data Visualization Cookbook by Ashutosh Nandeshwar. The book is published by Packt but I am relieved to say this time there were no significant editing issues. In fact it is quite well written and… Read more

2 comments, 99 reads

Posted in Koen Verbeeck on 8 August 2014

Modeling the Agile Data Warehouse with Data Vault – Review

A few months ago I followed an introductory course about the data vault modeling technique for data warehouses at a local training provider. As part of the training, I received the book Modeling the Agile Data Warehouse with Data Vault written by Hans Hultgren who also is an instructor… Read more

0 comments, 222 reads

Posted in Koen Verbeeck on 17 July 2014

Creating a Matrix Infographic in SSRS

With “Matrix Infographic” I simply mean those infographics FiveThirtyEight (site | Twitter), the website of statistic revelation Nate Silver, uses to display forecasts of World cup matches. An example:

I was wondering if something similar could be built using SSRS. And yes, it is possible and it isn’t… Read more

0 comments, 152 reads

Posted in Koen Verbeeck on 11 July 2014

Tableau Dashboard Cookbook by Jen Stirrup


I received this book through the O’Reilly blogger review program, which I already mentioned in the review of Thinking With Data. The actual publisher of the book is Packt Publishing, not O’Reilly itself.


I guess most people who have been in contact with the… Read more

1 comments, 155 reads

Posted in Koen Verbeeck on 7 July 2014

Speaking at SQL Server Days 2014

I am absolutely delighted to share the great news that I have been selected as one of the speakers for the 2014 edition of the SQL Server Days in Belgium. It is one of the biggest SQL Server events in Europe and this will be the 4th time I am… Read more

1 comments, 136 reads

Posted in Koen Verbeeck on 4 July 2014

ITPROceed – Slide Deck and demo materials

ITPROceed 2014 is now a thing of the past, but is has been an awesome – and free! – event. A very big thank you and “well done” to the organizers. It has been a great gathering of the #sqlfamily, with superb sessions about Azure, restoring databases with PowerShell, Hekaton… Read more

0 comments, 110 reads

Posted in Koen Verbeeck on 17 June 2014

Naked Statistics

A few weeks ago I stumbled up on this book review of Naked Statistics by Nathan Yau. The introduction on Amazon promises us the following:

Once considered tedious, the field of statistics is rapidly evolving into a discipline Hal Varian, chief economist at Google, has actually called “sexy.” From…

Read more

0 comments, 176 reads

Posted in Koen Verbeeck on 23 May 2014

SSRS Nugget: displaying placeholders when no rows are returned

A few days ago there was an interesting question on the forum:

How can I get None in each cell of a table in the report if no rows are returned? If I use “No rows message” property, header is not displaying on the report but I would like to…

Read more

4 comments, 1,295 reads

Posted in Koen Verbeeck on 15 May 2014

Speaking at ITPROceed

I’m delighted to announce I will be giving a session at ITPROceed, a new event in Belgium for the IT Professional. From their website:

ITPROceed is a joint effort between the ITProfessional User Groups with the strong support of Microsoft to bring you the best on the Cloud OS,…

Read more

0 comments, 131 reads

Posted in Koen Verbeeck on 14 May 2014

T-SQL Tuesday #54: An Interview Invitation

It’s time for another T-SQL Tuesday! This month’s blog party is hosted by Boris Hristov (blog | twitter) and the subject is about interviews and hiring.

First I thought about writing a rant about the beginning of every interview and hiring process: recruiters. You can’t live with… Read more

2 comments, 179 reads

Posted in Koen Verbeeck on 13 May 2014

MDS: A Database Error Has Occurred

I recently came across the following error message when I tried to look at the batches in the Integration Management section of MDS:

515: A database error has occurred. Please contact your system administrator

Too bad I am the system administrator on that machine…

Anyway, after some searching it came… Read more

0 comments, 206 reads

Posted in Koen Verbeeck on 18 April 2014

Overview of Published Articles – 2014Q1

Since I write at different places – this blog, Intense School and - someone recently asked me if I could provide an overview from time to time to keep track of all the published material. It makes it easier to follow and it’s also a chance for me to… Read more

0 comments, 116 reads

Posted in Koen Verbeeck on 15 April 2014

SSIS Performance Testing

I had to do some performance testing for an upcoming MSSQLTips article and I thought I’d share the framework I used in a blog post.

First of all we have to log start and end dates of the package to a table so we can easily calculate the duration a… Read more

2 comments, 1,971 reads

Posted in Koen Verbeeck on 8 April 2014

Changing the 1000 separator in Power View

Recently I was designing a simple Power View report on top of a multi-dimensional SSAS cube. Out of the box, one of the tables looked like this:

For readability purposes, a 1000 separator is added to the numeric value. However, the comma was used, as is common in the… Read more

0 comments, 169 reads

Posted in Koen Verbeeck on 11 March 2014

Thinking with Data by Max Shron


I recently enrolled myself in the O’Reilly Blogger Review program, which basically allows me to get one O’Reilly eBook for free per month so I can review it on my blog. This works in both ways of course: I get free eBooks while they’re still hot from the press… Read more

0 comments, 175 reads

Posted in Koen Verbeeck on 27 February 2014

Dude, where’s my Power Map?

If you haven’t noticed lately, Power Map has gone into General Availability as of 25 of February 2014. It comes along with service pack 1 of Office 2013, which you can download here. There are two ways of getting this update:

  • Downloading and installing service pack 1, aka the…

Read more

0 comments, 1,392 reads

Posted in Koen Verbeeck on 26 February 2014

Dealing with the mysterious “True” column in BIML

Recently I ran into the following error when compiling BIML into SSIS packages:

The message itself is not very revealing:

The data type for input buffer column ‘True’ on the ScriptComponent input buffer ‘Input0’ does not match the mapped output column from the previous transformation.

You might have guessed it… Read more

0 comments, 275 reads

Posted in Koen Verbeeck on 18 February 2014

Calculating the length of a hash in SQL Server

Some time ago I added a script component to a few SSIS packages to compare rows with each other using a hash to check if they had actually changed or not. In the output of the script component, I had chosen a string data type for the calculated hash with… Read more

2 comments, 205 reads

Posted in Koen Verbeeck on 11 February 2014

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