Stairway to DAX

Stairway to DAX and Power BI - Level 29: The DAX Combine & Aggregate Functions

Business Intelligence Architect, Data Analyst, CPA, and author Bill Pearson continues a subseries surrounding the DAX Text Functions, and breaks out the next operational group within Text functions, the “Combine and Aggregate Functions” group, including the CONCATENATE(), CONCATENATEX, and COMBINEVALUES() functions as the focus of this Level. He identifies and examines each functional member of this “Combine and Aggregate” group, discussing for each its respective syntax, uses, and operation, while providing hands-on exposure to it in Power BI.

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Question of the Day

The ##MS_DatabaseConnector## User

On SQL Server 2025, I run this code as a sysadmin:

CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567'
GO
ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo
GO
I then login as Demo and run this:
USE sandbox
go
SELECT CURRENT_USER
What is returned?

See possible answers