1Prepare the data
- 1.1Get and connect to data
Understand connecting to data sources and shared semantic models, choosing storage mode (Import / DirectQuery / DirectLake), credentials/privacy levels, and using parameters.
- 1.2Profile and clean the data
Understand evaluating data with data profiling (column quality/distribution/statistics) and resolving inconsistencies, nulls, error values, and import errors in Power Query.
- 1.3Transform and load the data
Understand column types/creation, grouping/aggregation, pivot/unpivot, building fact/dimension tables, reference vs duplicate, merge vs append, relationship keys, and query load configuration.

