About the authors

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Marco Russo and Alberto Ferrari

MARCO RUSSO and ALBERTO FERRARI are the founders of sqlbi.com, where they regularly publish articles about Microsoft Power Pivot, Power BI, DAX, and SQL Server Analysis Services. They have worked with DAX since the first beta version of Power Pivot in 2009 and, during these years, sqlbi.com became one of the major sources for DAX articles and tutorials.

They both provide consultancy and mentoring on business intelligence (BI), with a particular specialization in the Microsoft technologies related to BI. They have written several books and papers about these topics, with a particular mention of ...

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