Which command should you use?

You have the following two queries in Power BI Desktop:
• A query named Query1 that retrieves a table named SMB_Customers from a Microsoft SQL Server database
• A query named Query2 that retrieves a table named Enterprise_Customers from an Oracle Server database
Both tables have the same columns.
You need to combine the data from SMB_Customers and Enterprise_Customers.
Which command should you use?
A. Combine Files
B. Merge Queries
C. Merge Columns
D. Append Queries