Business Intelligence with Microsoft Power BI - with Material - Merging Data from Multiple Excel Files

The video tutorial demonstrates how to merge data from multiple Excel files using Power BI. It begins by introducing the concept of merging queries and setting up Excel files with master and transition tables. The tutorial then guides viewers through loading these files into Power BI, viewing the field section, and performing a merge using VLOOKUP. The process is explained step-by-step, highlighting the use of left join and expanding tables to select specific columns. The video concludes by summarizing the merging process and emphasizing the separation of tables into different files.

Explain the difference between a master table and a transitional table as described in the video.

What type of join is used by default when merging queries in Power BI?