Chris Webb is an independent consultant specialising in Analysis Services, MDX, PowerPivot and DAX. He is 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", and blogs at http://cwebbbi.wordpress.com/
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.
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I blogged about the new app model for Office 2013 and what it means for BI last year, but since then there hasn’t exactly been a massive flood of new data visualisation apps. However… yesterday, I was interested to see that some new apps had been published by the Visualization and Interaction for ...
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I’ve had a lot of requests for more MDX content on my blog, so here’s something I’ve been meaning to write up for a long time: a worked example of how to use scoped assignments to implement two different types year-to-date calculation on two different hierarchies in the same dimension. Knowledge of ...
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With my Technitrain hat on I’m sitting in on Marco’s Advanced DAX course in London today, and the question of comments in DAX came up – which reminded me that this is something I’ve been meaning to blog about. DAX as a language supports comments, but unfortunately it’s not possible to add comments ...
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One of the first questions I get asked after showing someone PowerPivot for the first time is “Can I add new data to a PowerPivot table that already has data in it?”. Out of the box, of course, the answer is no: when you process a table in PowerPivot you have to reload all the […]
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Quick summary: DAX measures in SSAS Tabular that use the UseRelationship() function return an error when row security is applied to a table. I’m surprised this hasn’t been documented somewhere – I know Marco came across it some time ago, but I ran into it again recently so I thought I’d mention it. ...
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