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Chris Webb

Chris Webb is an independent consultant specialising in Analysis Services, MDX, PowerPivot and DAX. He is the author of "Power Query for Power BI and Excel" and a co-author of "SQL Server Analysis Services 2012: The BISM Tabular Model", "Expert Cube Development with SQL Server 2008 Analysis Services", and "MDX Solutions with Microsoft SQL Server Analysis Services 2005 and Hyperion Essbase". He blogs at http://cwebbbi.wordpress.com/ 
http://cwebbbi.wordpress.com/ http://feeds.feedburner.com/wordpress/Cpjz

This session will show you how to build aggregations in Analysis Services 2008 that are useful for the queries you're actually running
Learn how the Analysis Services cache works, and how you can pre-load it with data to ensure optimal query performance.
Learn to tune Analysis Services 2008 query performance
This session will introduce the basic concepts of the new multidimensional calculation language, DAX, and show how to implement several common calculations in it
Learn about the most frequently made Analysis Services design mistakes, the problems they cause, and how to fix them or not make them in the first place
This session will introduce the concept of scoped assignments in MDX and show how they can be used to solve various calculation problems.
This session explains what the BI Semantic Model in SQL Server Denali is, how it is related to Analysis Services, and provides a brief introduction to the new Tabular model.
This session will cover advanced security topics in the Analysis Services Multidimensional model.
This session looks at the most significant new functionality to be added to SSAS Multidimensional in recent years: support for the DAX language and Power View.
An in-depth session on advanced Power Query functionality and the M language
A fun session showing some amazing things you can do with Power BI
See how to use Power Query to build a detail-level reporting solution

Blog posts RSS

Building A Reporting Solution Using Power Query 17 Apr 2015
The video of my SQLBits conference session “Building a reporting solution using Power Query” is now available to view (for free) on the SQLBits website: http://sqlbits.com/Sessions/Event14/Building_A_Reporting_Solution_Using_Power_Query It’s not your normal Power Query session about self-service ...

Analysing SSAS Extended Event Data With Power Query: Part 1 13 Apr 2015
The other day, while I was reading this post by Melissa Coates, I was reminded of the existence of extended events in SSAS. I say ‘reminded’ because although this is a subject I’ve blogged about before, I have never done anything serious with extended events because you can get the same data from ...

Documentation For New Excel 2016 DAX Functions 06 Apr 2015
Microsoft has published documentation for the new DAX functions in the Excel 2016 preview here: https://support.office.com/en-us/article/New-DAX-functions-for-Excel-2016-Preview-8192a787-aa91-4d7f-9a82-4e2c607e629a There’s a lot of detail, including examples (although the ConcatenateX() page isn’t ...

BI Survey 15 01 Apr 2015
It’s BI Survey time again! BI Survey is the largest annual survey of BI users in the world, so if you want to share your feelings on Microsoft BI tools or whatever else you’re using then this is the opportunity to do it. As in the past, in return for promoting the survey I get […]

NaturalInnerJoin And NaturalLeftOuterJoin DAX Functions In Excel 2016 30 Mar 2015
Continuing my series on new DAX functions in Excel 2016, here are two more: NaturalInnerJoin() and NaturalLeftOuterJoin(). Both do pretty much what you’d expect. Consider the following two tables in an Excel worksheet, called ColourFruit and FruitPrice: With these tables loaded into the Excel Data ...