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How to compute index numbers at top speed

This article presents different techniques to compute a rownumber column in DAX based on a specific ranking, comparing slow and optimized approaches.




Power BI visualization best practices

Designing great looking Power BI reports and dashboards isn't just about beauty; it also makes the information easier to understand.

In this webinar on May 31, 2017 » 10:00am PDT, Marco Russo will give you a sneak peek at SQLBI soon to be released training course on this exciting topic.




Early Bird expires soon for US courses

The early bird for the courses in US expires on Jun 2, 2017.
Don't miss the bundle offer for both cities and save an additional 10%.

DKMinneapolis, MN
SSAS Tabular Workshop - Jun 19-20
Mastering DAX Workshop - Jun 21-23

DKChicago, IL
Mastering DAX Workshop - Jun 26-28
Optimizing DAX Workshop - Jun 29-30



What's happened in the last two weeks, with our comments:

• Microsoft Data Insights Summit 2017

The Microsoft Data Insights Summit in Seattle (June 12-13, 2017) will be the biggest event for Power BI, and it is already sold-out. We expect many announcements at the conference, including the winner of the

Data Analytics Challenge. Starting from one of three possible datasets, you can create the best Power BI report. One category is about data preparation, so you have a choice even if you are not a data visualization hero.

• Comparing Power BI and Tableau licensing models
Comparing licensing model and costs is never an easy task. The two-parts comparison of Power BI and Tableau licensing (Part 1, Part 2) shows that Tableau is more expensive in most of the scenarios. Licensing is always more complicated than necessary.

• Power BI Report Server
If you want Power BI on premises you need Power BI Report Server, which is now in preview. You can get this product with Power BI Premium without getting the full SQL Server Enterprise license. Licensing complexity again, yes.

• New custom visuals from ZoomCharts
Microsoft announced new custom visuals from ZoomCharts with a free version available in the Office Store, and a more complete and customizable version that you can purchase separately. Is there a future for paid custom visuals? In this case, the licensing price is only for developers and not for viewers. The industry is looking for a sustainable economic model.

• Azure Analysis Services supports compatibility level 1400

You do not have to wait for Analysis Services 2017 to release in production new features such as transformations in M (like Power Query/Power BI), object-level security, ragged hierarchies, and customized detail rows. The “cloud first” strategy is for real.