We write articles and white papers on Microsoft Business Intelligence technologies on a regular basis. The list below showcases all our content sorted chronologically - you can filter through the content by post type, topic, and author.
    724 blog posts
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Uncertified connectors message in Power BI Desktop

I recently had an issue in Power BI Desktop that started to display the error message “Uncertified Connectors”. What was really strange is that Power BI was not trusting… Power BI itself! I am not sure whether this started after…  Read more

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Hate and love for the DAX language

A few weeks ago I woke up on a Saturday morning with a question notified on my Quora feed: Why do all the BI consultants hate DAX? I was challenged to answering the question because I personally love DAX but…  Read more

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Using DAX with DateTime values

I was recently reading an interesting question by a user. Given a date/time value and a number of hours, add the number of hours to the date, but considering some constraints related to working hours: The working hours are 09:00-17:00…  Read more

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Calculation Groups in DAX – first impressions

Microsoft announced at SqlBits a very important feature for DAX: Calculation Groups. These are my first impression about the new feature and the impact it will have on Analysis Services and Power BI.  Read more

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Why Smart Filter Pro does not use IAP

This week OKViz released Smart Filter Pro 2.0.5, which is the first commercial version of a custom visual for Power BI produced by OKViz. This is the first of other rich and advanced visuals that will be released in the…  Read more

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Detect missing parameters in DAX queries

Yesterday I answered to a question related to parameters in DAX that could be useful to other readers who use DAX in Reporting Services (SSRS): how to manage missing parameters of a DAX query? I wrote an article in the…  Read more

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Naming variables in DAX

There is an existing limitation in the current version of DAX, regarding what names you provide to variables in a DAX expression: a variable name cannot be the name of a table in the data model. This is not a…  Read more

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What has happened in the DAX world in 2018

We are approaching the end of 2018, so it is a good time to review what happened in the DAX world this year, what we’ve been up to at SQLBI and what is going to happen in 2019. New DAX…  Read more

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Displaying a list of selected months

Today I woke up with an interesting question, about how to show a selection of months in a nice way, detecting contiguous selection. You can easily understand the desired solution from the following figure: I enjoyed writing a quick solution,…  Read more