Not all data loads are a matter of simply establishing a connection to the source and applying transformations to the source data that is, fortunately, already laid out in neatly structured tables. Sometimes you may want to “push the envelope” when loading data and prepare more complex source data structures for use in your Power BI dashboards. By this, I mean that the source data is not initially in a ready-to-use tabular format and that some restructuring of the data is required to prepare a table for use.
To solve these kinds of challenges, this chapter will explain to you how to
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