Judging from my experience working with business stakeholders across several organizations, slicing data by current week, previous week, two weeks ago, and so on has become a requirement for reporting. I will demonstrate a simple approach to achieve this requirement.
2023-05-01
The CASE expression is one of the most valuable tools in your T-SQL toolbox. I use it in almost every query I write. However, there isn't a direct equivalent of CASE in DAX. Since it's a different language entirely, I don't expect it. As my grandmother used to say, I am not surprised, just disappointed. If you don't know, DAX (Data Analysis Expressions) is a language for creating custom calculations and aggregations in Power Pivot, Power BI, and other data analysis tools. Two functions in DAX come close to replicating the functionality but come with limitations. Which one of these functions should you use? Please stay tuned.
2023-04-03
2022-04-22
10,523 reads
SSRS reports can be built using DAX. In this article, Adam Aspin explains how to get started using DAX to build the reports.
2021-12-10
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX DATEADD() function, discussing its syntax, uses and operation. He then provides hands-on exposure to DATEADD(), focusing largely upon a popular use in creating prior-period values at multiple Date hierarchy levels.
2026-04-15 (first published: 2021-06-04)
2,708 reads
Business Intelligence Architect, Analysis Services Maestro, and author Bill Pearson introduces the DAX ALLEXCEPT() function, discussing its syntax, uses and operation. He then provides hands-on exposure to ALLEXCEPT(), focusing largely upon its most popular use in removing filters from all columns in a table - except the filters we specify.
2026-04-15 (first published: 2020-10-14)
4,961 reads
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.
2026-04-15 (first published: 2020-09-02)
3,725 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
8,184 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.
2026-04-15 (first published: 2020-08-12)
7,860 reads
Introduction In response to my approach in the pop...
2020-06-22
9,356 reads
By Steve Jones
Thanks to everyone for attending my talk today at Day of data Baton Rouge...
Here’s the scenario: one of my SQL Server instances migrated to the DR array....
By Steve Jones
We are product focused at Redgate Software. Here is another of our values that...
Comments posted to this topic are about the item The SQL Server 2016 Plan
hi, a few years ago was at a very large company that bought a...
Comments posted to this topic are about the item Implicit Conversions Cripple SQL Server
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers