Category: Power Query

Creating a Shared Dimension in Power BI Using Power Query: Basics and Foundations of Modeling

Posted on by Reza Rad

For a data warehouse professional, a shared dimension concept is always clear, and a star schema design always includes such type of entity. However, in the Power BI user’s world, there are many users who are not coming from a data warehousing background. It is necessary to understand some of the concepts in order to Read more about Creating a Shared Dimension in Power BI Using Power Query: Basics and Foundations of Modeling[…]

Remove Duplicate Doesn’t Work in Power Query for Power BI? Here is the Solution!

Posted on by Reza Rad

One of the most common transformations in Power Query is the Remove Duplicates. This transformation is used in many scenarios, one of the examples, is to create a dimension table with unique IDs in it, so can be used as the source of a one to many relationships to fact tables in the relationship diagram Read more about Remove Duplicate Doesn’t Work in Power Query for Power BI? Here is the Solution![…]

Linked Entities and Computed Entities; Dataflows in Power BI Part 4

Posted on by Reza Rad

In previous articles, I explained what is the Dataflow and where to use it, I also explained how to create a dataflow, and what is the common data model. In this article, I’m explaining one of the differences between Dataflow and the Power Query in Power BI Desktop, which is Linked Entities and Computed Entities. Read more about Linked Entities and Computed Entities; Dataflows in Power BI Part 4[…]

AI in Dataflow, Power BI webservice, Cognitive Service -Part1

Posted on by Leila Etaati

These days, Dataflow (Power Query in Power BI Service) is a new feature that has been released. according to[1]: Dataflow is a Power Query process that runs in the cloud independently from any Power BI reports. If you want to know more about dataflow see [1]   There is a new feature in dataflow that Read more about AI in Dataflow, Power BI webservice, Cognitive Service -Part1[…]

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

Posted on 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[…]

Fun with DAX – A-Maze-ing DAX

Posted on by Philip Seamark

Intro: In my younger days, I enjoyed playing computer games and in particular, maze-based games. So for the latest addition to my series of DAX based games, I thought I would have a crack at building a game in Power BI that allowed the user to appear to control a character through a maze to Read more about Fun with DAX – A-Maze-ing DAX[…]

Exception Reporting in Power BI: Catch the Error Rows in Power Query

Posted on by Reza Rad

To build a robust BI system, you need to cater for errors and handle errors carefully. If you build a reporting solution that the refresh of that fails everytime an error occurs, it is not a robust system. Errors can happen by many reasons, In this post, I’ll show you a way to catch potential Read more about Exception Reporting in Power BI: Catch the Error Rows in Power Query[…]

Power BI and Azure ML make them work with Power Query

Posted on by Leila Etaati

In this blog post, I am going to show how to use the Azure ML web service in Power BI (Power Query). First Step: You need to create a model in Azure ML Studio and create a web service for it. The traditional example in Predict a passenger on Titanic ship is going to survived Read more about Power BI and Azure ML make them work with Power Query[…]

Ignite 2018 Interviews by Reza Rad; Power BI and AI

Posted on by Reza Rad

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

Posted on by Reza Rad

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[…]