Summary
Explaining the let expression in Power Query M: the basics for defining variables and structuring queries.
Deepen your knowledge
Knowledge Base
What is Power BI? Everything you need to know
Discover what Microsoft Power BI is, how it works, what it costs, and why it's the world's most popular BI tool. Complet...
Knowledge BaseETL Explained — Extract, Transform, Load in plain language
What is ETL? Learn how Extract, Transform, and Load works, the difference with ELT, and which tools to use. Clearly expl...