Learning Microsoft Power BI - Merging Tables with Power Query

The video tutorial explains the concept of merging tables in Power BI, highlighting the importance of optimizing data models by using a star schema instead of a snowflake schema. It demonstrates how to merge product, subcategory, and category tables into a single master table using Power Query, reducing data redundancy and improving performance. The tutorial provides a step-by-step guide on how to perform these merges and discusses the benefits of maintaining a star schema design for Power BI data models.

What are the benefits of using the Power Query Editor for merging tables?

How can you identify which columns to include when merging tables?

What changes need to be made to the final table after merging?

What is the impact of reducing data redundancy in Power BI models?