Ignite 2018 Interviews by Reza Rad; Power BI and AI

I’ve been honored and had the opportunity to have an interview with some great minds in Ignite 2018. Just to mention a few; it was the discussion about all new Power BI and AI features announced at Microsoft Ignite 2018 conference. In this post, you will see the link to all my 14 interviews of Read more about Ignite 2018 Interviews by Reza Rad; Power BI and AI[…]

Reference vs Duplicate in Power BI; Power Query Back to Basics

When you work with tables and queries in Power Query and Power BI, you get the option to copy them through these actions: Duplicate, or Reference. It has been always a question in my sessions and courses that what is the actual difference between these two actions. The explanation is simple but very important to Read more about Reference vs Duplicate in Power BI; Power Query Back to Basics[…]

DatesInPeriod vs DatesBetween; DAX Time Intelligence for Power BI

There are many time intelligence functions in DAX, and each of those is helping in aspects of analyzing data on dates. There are two functions which work very similar to each other but have a bit different usage; DatesInPeriod, and DatesBetween. In this post, I will show you what is the difference between these two Read more about DatesInPeriod vs DatesBetween; DAX Time Intelligence for Power BI[…]

Master Detail Design with Drillthrough Filter in Power BI

One of the most common requirements in any reporting solution is the ability to drill through from master page to the details page and see the details of an item or category. In this post, I will explain how this feature is simply possible in Power BI, and what are things to consider when you Read more about Master Detail Design with Drillthrough Filter in Power BI[…]

Fun with DAX – Mission Impossible

Further to my recent series of Power BI based games, I thought for this article I would build a version of the popular children’s game, Hangman.  To win the game, you need to guess a hidden word letter by letter, with the user having a number of “chances” with each wrong guess bringing you closer Read more about Fun with DAX – Mission Impossible[…]

Find Mismatch Rows with Power Query in Power BI

Finding rows that are in one table, but not the other is one of the most common scenarios happening in any data related applications. You may have customer records coming from two sources, and want to find data rows that exist in one, but not the other. In Power Query, you can use Merge to Read more about Find Mismatch Rows with Power Query in Power BI[…]

Watch Your Steps! Power Query Performance Caution for Power BI

I work with Power Query transformations every day these days, and I want to share one simple, but critical caution with you. If you use Power Query a lot, this tip can improve the performance of your transformation significantly. The number of steps that you add in a query counts in the performance of your Read more about Watch Your Steps! Power Query Performance Caution for Power BI[…]