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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.

Archives: October 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…

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3 comments, 1,044 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:

CREATE TABLE dbo.TestOver
	(ID INT IDENTITY(1,1) PRIMARY KEY NOT NULL
	,[Group] CHAR(1) NOT NULL…

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5 comments, 6,376 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

2 comments, 419 reads

Posted in Koen Verbeeck on 6 October 2014