When I first started with Power Query, it was in Excel, through the Power Pivot feature. I was amazed at how I could transform data with just a few clicks and quickly create PivotTables. Then, when Power Query appeared in Power BI, I began working with larger data sources and more complex projects.
Through many trials and tribulations, I learned the capabilities of Power Query and the M language (the functional language that actually transforms our data), as well as its idiosyncrasies. Unsurprisingly, with Power BI adoption and rapid growth, many newcomers are learning the same lessons I did.
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