Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX ALLSELECTED() function, discussing its syntax, uses and operation. He then provides hands-on exposure to ALLSELECTED(), focusing largely upon its most popular use in supporting “visual totals” in Power BI.
2020-09-02
1,089 reads
Problem A few weeks back, I got a request from a client of mine who had a very special requirement. They wanted to display values for a specific period in the past based on the selected dates in the Power BI report. Let us assume that if we select 30 June 2020, the report has to […]
2020-08-17
1,788 reads
Business Intelligence Architect, Analysis Services Maestro, eight-year Microsoft Data Platform MVP and author Bill Pearson introduces the DAX CALCULATE() function, discussing its syntax, basic uses and operation. He then provides hands-on exposure to CALCULATE(), focusing largely upon its most basic uses in evaluating an expression in a context that is modified by specified filters.
2020-08-12
1,456 reads
Introduction In response to my approach in the pop...
2020-06-22
4,469 reads
Introduction In response to my approach in the popular MDX Guide for SQL Folks series, I am using SQL as a good frame of reference for starting or developing a new approach for improving your Data Analysis Expression(DAX) language learning experience. This is useful for developers starting to learn the DAX language to more advanced developers who […]
2020-04-30
17,332 reads
Introduction In this article, I'll explain the use of the RANKX function available in DAX. The RANKX is a sortation function which is capable of performing a quite complex sorting and ranking based on the groups and values available in the dataset. It returns the ranking of a particular number available in each row of […]
2020-03-12
9,028 reads
DAX contains a host of time-intelligence functions with exotic names such as SAMEPERIODLASTYEAR and PARALLELPERIOD. In the last article in this series, Andy Brown explains how to write measures using the range of date functions in DAX, and also explains how time-intelligence functions work behind the scenes.
2020-03-06
Introduction Period-over-period is an analysis technique in business that measures some value in the present and compares it to the same measurement in a comparable period of time in the past. The goal is to adjust the slice of the past you are viewing, so the same amount of time has passed in the two […]
2020-01-27
20,413 reads
By Steve Jones
A quick tip I learned, that has become handy for me. Tl;dr: Try Win+V...
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
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