Archive - Blog Posts on PowerPivot

I’m Presenting at SQL Saturday Melbourne and Sydney - I’m presenting again this year at SQL Saturday Melbourne (30th June 2018) and Sydney (7th July 2018).  My topic this year will be “DAX as a Query Language“. What is SQL Saturday? SQL Saturday is an annual 1 day event that is held in many cities around the world.  It is a day when SQL professionals take a […] Read More
My Supercharge Excel and Supercharge Power BI Books Available on Amazon - After what seems like a lifetime of waiting for the paperback book economy to tick its required boxes, both of my new books Supercharge Excel and Supercharge Power BI are now available to ship to most countries in the world from Amazon.com. This is a good opportunity for me to clarify how these new books […] Read More
Show Me All Invoices Containing this Product - Level: Advanced I was answering an interesting forum question last week, and as is often the case I thought it would make an interesting article to share with you all here.  I have modified the scenario a bit for this article and have built out some test measures to help explain some concepts. Problem Definition […] Read More
Compound Growth using DAX - There are some things that are very easy to do in Excel that don’t seem to have an immediately obvious and simple solution in DAX.  One such problem is when you want to apply compound growth on an investment.  Let me make up an example so it is clear what I am talking about. Simple […] Read More
How To Solve a Complex DAX Problem - Level: Advanced I was helping someone on Power Pivot Forum last week with a tricky calculated column question.  As an aside, you may know that I always advise beginners to keep away from calculated columns.  You mostly don’t need calculated columns because in most circumstances a measure is a better option to use (read more […] Read More
The ALL() Function in DAX - Level: Intermediate In this article I am going to write about the ALL() function, show how it works and explain a common use case.  I will also cover the unexpected behaviour that occurs when using the ALL() function in Power BI Desktop – more on that later. For this article I will use my simplified copy […] Read More
Quick Measures and Query by Example - 2 fabulous new updates again in the April update of Power BI Desktop.  Here is my quick review so you can see how great these things are. Quick Measures Quick measures are designed to help you get started with DAX, without knowing any DAX!  OMG I will be out of a job!! Once again this […] Read More
Uses for DAX as a Query Language - Level: Intermediate This is the final article in my series about DAX as a Query Language.  In my first article I introduced DAX as a Query Language and then in my second article I went in deeper to the specifics on how to use some of the more useful DAX query functions.  In this final article […] Read More
DAX as a Query Language Part 2 - Level: Intermediate In my last article I introduced DAX as a Query Language and explained why learning to query your data model can be useful.  I covered the basics about using a tool like DAX Studio to query a database and return a table of data as a result.  In this article I am going to […] Read More
Power BI Skills – Thinking of Data in Tables - Level: Beginners One very important concept that Excel users often struggle with when starting on their Power BI and Power Pivot journey is that they need to learn to think about data in tables rather than thinking about data in cells.  In the spreadsheet world every cell can be a different formula or value, but […] Read More
Relationships in Power BI and Power Pivot - Level: Beginners Power Pivot is a database that has been designed from the ground up to be optimised for reporting and analysis in Power BI, Power Pivot for Excel and SSAS Tabular.  The technology is essentially the same across all of these products so I will generically refer to Power Pivot in this article. Power […] Read More
Best Practices for Power Pivot, Power Query and Power BI - Level: Beginners There are many best practices for Power BI, Power Pivot and Power Query.  I know these things so intuitively now that it is very easy to forget how I incrementally learnt these things along the journey.  Most of these things are not “right” vs “wrong” – they are more often simply “better”.  I thought there […] Read More
DAX Time Intelligence Explained - Level: Beginners I help a lot of people on forums who ask questions about time intelligence for DAX.  If you are just starting out then the chances are that you may not even be clear what time intelligence is and hence sometimes you don’t even know what to ask.  Often the question is something like […] Read More
Data Modelling with OneDrive Source Files - Level: Intermediate Last week I shared how it was possible to easily create an online survey using Excel for O365.  Once such a survey is created, the data can be imported into PowerBI.com and used to create a simple report.  The biggest issue with directly connecting to OneDrive like I showed last week is that you […] Read More
Easy Online Surveys with Power BI Reporting - Level: Beginners I think today’s article will be of interest to my readers even though it is a little astray from my normally pure Power BI, Power Pivot and Power Query content. I will show you how to quickly and easily create an On-Line Survey that you can distribute to anyone that has an Internet […] Read More
Excel Workbook Connection to Local Power BI Desktop - Today I am sharing an easy way to use Power BI Desktop as a SSAS tabular server on your local PC.  I find increasingly that I am building data models in Power BI Desktop and yet I still want to use Excel to analyse the data some of the time.  If I load the PBIX […] Read More
Power Pivot Crashes? – An Update - Level: Beginners Today Avi Singh and I met with Howie Dickerman from Microsoft to discuss the Power Pivot for Excel Add-In.  You can read the background to this meeting at my blog post last month.  Howie is the Program Manager assigned to Power Pivot for Excel and has a wealth of experience with Excel and […] Read More
When to Create a Lookup Table in Power Pivot - Level: Beginners Today I explain when it is important to create a lookup table and when it is fine to use native columns in a data table.  I have rated this topic as a beginner topic as it is a fundamental skill to learn on your journey to become a Power Pivot and Power BI […] Read More
Does the Power Pivot Excel Add-In Crash for You? - Level: Beginners I was chatting to Avi Singh the other day and we were comparing notes about the live Power Pivot training classes we both offer in Australia (me) and the USA (Avi).  One thing we both have in common is that the Microsoft Excel Power Pivot Add-In CRASHES a lot during training!  When I say “crash”, I […] Read More
Who Needs Power Pivot, Power Query and Power BI Anyway? - Level: Beginners One of the great challenges Microsoft has faced with its “new” suite of Self Service BI tools (particularly Power Pivot) is that most people that could benefit from the holy trinity (Power Pivot, Power Query and Power BI) don’t even know these tools exist, let alone how the tools can help them succeed in […] Read More