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Klaus Aschenbrenner

Klaus Aschenbrenner provides independent SQL Server Consulting Services across Europe and the US. Klaus works with the .NET Framework and especially with the SQL Server 2005/2008 from the very beginnings. In the years 2004 - 2005 Klaus was entitled with the MVP award from Microsoft for his tremendous support in the .NET Community. Klaus has also written the book Pro SQL Server 2008 Service Broker which was published by Apress in the Summer of 2008. Further information about Klaus you can find on his homepage at http://www.SQLpassion.at. He also twitters at http://twitter.com/Aschenbrenner.

Archives: June 2011

The mystery of the NULL bitmap mask

In today's weblog post I want to talk about the NULL bitmap mask and some mysteries that you can encounter with it. The NULL bitmap mask encodes at the Storage Engine level which column stores a NULL value and which not. It's a simple bitmap mask, where a set bit… Read more

3 comments, 2,130 reads

Posted in Klaus Aschenbrenner on 29 June 2011

Replaying workloads with the RML Utilities

In today's weblog posting I want to talk about replaying SQL Server workloads with the RML Utilities. RML Utilities stands for Replay Markup Language Utilities and are provided by Microsoft as a free download. You can download them here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=7EDFA95A-A32F-440F-A3A8-5160C8DBE926. I have first encountered the RML Utilities when I… Read more

2 comments, 2,042 reads

Posted in Klaus Aschenbrenner on 21 June 2011

My SQLPASS session

Yesterday we got confirmation from SQLPASS if our submitted sessions for the upcoming SQLPASSS summit in Seattle (October 11 – 14) were accepted. I’m very lucky to announce that my submitted session “Advanced SQL Server 2008 Troubleshooting” made it to the summit as a regular session (75min)! Here’s… Read more

1 comments, 405 reads

Posted in Klaus Aschenbrenner on 16 June 2011

SQLcruise review

The most amazing journey that I have done in the past years was definitely SQLcruise (see http://www.sqlcruise.com) – a SQL Server event organized and running by Brent Ozar (Blog | Twitter). Without the speakers, and the sponsors we were 14 cruisers that were flying to Seattle across… Read more

0 comments, 243 reads

Posted in Klaus Aschenbrenner on 12 June 2011

Slides & samples from my DevConnections sessions

As announced in both of my SQL Server sessions at DevConnections in Karlsruhe/Germany you can find here the slides & samples for download:

As also said yesterday, you get a 10% discount for my upcoming “Advanced SQL Server… Read more

0 comments, 441 reads

Posted in Klaus Aschenbrenner on 10 June 2011