Author: Reza Rad

Reza Rad is a Microsoft Regional Director, an Author, Trainer, Speaker and Consultant. He has a BSc in Computer engineering; he has more than 20 years’ experience in data analysis, BI, databases, programming, and development mostly on Microsoft technologies. He is a Microsoft Data Platform MVP for 12 continuous years (from 2011 till now) for his dedication in Microsoft BI. Reza is an active blogger and co-founder of RADACAD. Reza is also co-founder and co-organizer of Difinity conference in New Zealand, Power BI Summit, and Data Insight Summit. Reza is author of more than 14 books on Microsoft Business Intelligence, most of these books are published under Power BI category. Among these are books such as Power BI DAX Simplified, Pro Power BI Architecture, Power BI from Rookie to Rock Star, Power Query books series, Row-Level Security in Power BI and etc. He is an International Speaker in Microsoft Ignite, Microsoft Business Applications Summit, Data Insight Summit, PASS Summit, SQL Saturday and SQL user groups. And He is a Microsoft Certified Trainer. Reza’s passion is to help you find the best data solution, he is Data enthusiast. His articles on different aspects of technologies, especially on MS BI, can be found on his blog: https://radacad.com/blog.

Basics of Time Intelligence in DAX for Power BI; Year to Date, Quarter to Date, Month to Date

Posted on February 7, 2019September 4, 2019 by Reza Rad

I have written some articles about advanced use cases of time intelligence but never wrote about it for beginners. as the time intelligence is an important part of many BI solutions, I decided to write about it from the beginning. In this article, first I explain what time intelligence is, and what are the requirements Read more about Basics of Time Intelligence in DAX for Power BI; Year to Date, Quarter to Date, Month to Date[…]

Better Drill Down Experience with Power BI

Posted on February 4, 2019February 4, 2019 by Reza Rad

If you have used the drill down/up feature in Power BI, you know that it is a very powerful feature for exploring the data, you can expand a hierarchy to the next level, and go back. However, there is a little trick that can make your hierarchy exploration much better. Let’s check it out in this Read more about Better Drill Down Experience with Power BI[…]

What is the Common Data Model and Why Should I Care? Part 3 of Dataflow Series in Power BI

Posted on January 29, 2019January 29, 2019 by Reza Rad

In the last two articles, you have learned what is Dataflow and sample use case scenarios of that in Power BI, and also you learn how to create a dataflow. Before going any further in the dataflow discussion, we have to make a quick pause and talk about the Common Data Model (CDM). Dataflow integration Read more about What is the Common Data Model and Why Should I Care? Part 3 of Dataflow Series in Power BI[…]

Power BI Desktop; Getting Started – Part 2

Posted on January 10, 2019 by Reza Rad

In the previous post, you’ve learned what Power BI Desktop is, and how it can be used for getting data and also doing visualization. We used the Pubs sample dataset for that example. In this post, we continue the same example, with a touch on modeling and also more visualization. This post is part of Read more about Power BI Desktop; Getting Started – Part 2[…]

Multiple Layers of Aggregations in Power BI; Model Responds Even Faster

Posted on December 11, 2018October 4, 2022 by Reza Rad

Aggregations are speeding up the model. However, the aggregated table is not just one table; It can be multiple layers of aggregations. Aggregation by Date, aggregation by Date and Product, aggregation by Date and Product and Customer. Multiple layers ensure that you always have the best performance result possible, and you only query the DirectQuery Read more about Multiple Layers of Aggregations in Power BI; Model Responds Even Faster[…]

Power BI Aggregations Step 3: Configure Aggregation Functions and Test Aggregations in Action

Posted on December 7, 2018October 4, 2022 by Reza Rad

Aggregation can speed up the performance of DirectQuery sourced tables significantly. To use it, firstly, you need to create an aggregation table. Secondly, you must set up proper storage modes for tables in the model. Finally, you have to configure the aggregation functions, which I will explain in this post. You can learn about aggregation Read more about Power BI Aggregations Step 3: Configure Aggregation Functions and Test Aggregations in Action[…]