Show Notes
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#Refreshabledatapreparation #Mformulalanguage #Mismatchedtablecombination #Advancedunpivoting #Querydiagnostics #CollectCombineandTransformDataUsingPowerQueryinExcelandPowerBI
Collect, Combine, and Transform Data Using Power Query in Excel and Power BI is a practical technical guide by Gil Raviv, originally published in 2019 as part of the Business Skills series. It addresses the data-preparation work that precedes analysis: importing data, correcting inconsistent structures, combining sources, reshaping tables, and creating repeatable transformation processes. The book treats Power Query not merely as an import feature but as a data-wrangling engine available in Excel and Power BI. Its approach is organized around recognizable business problems rather than a catalog of commands. Readers begin with visual, step-based transformations and are then introduced to the M formula language that records and extends those steps. Coverage includes mismatched tables, pivoting and unpivoting, collaboration concerns, text-oriented analysis, and a final integrative project. The result is aimed at analysts and capable spreadsheet users who need to replace fragile copy-and-paste routines with refreshable queries and more reliable analytical inputs.