MCQs related to the differences between Merge and Append queries in Power BI

MCQs related to the differences between Merge and Append queries in Power BI

1. What is the primary purpose of a Merge Query in Power BI?

A) To combine multiple tables by adding rows
B) To join tables based on a common column
C) To delete duplicate records
D) To filter data

Answer: B) To join tables based on a common column

2. Which operation in Power Query is similar to a SQL JOIN?

A) Append
B) Merge
C) Group By
D) Pivot

Answer: B) Merge

3. What happens when you Append two tables in Power Query?

A) New rows are added to one of the tables
B) Columns are combined based on a key
C) Duplicate records are removed
D) Data types are automatically changed

Answer: A) New rows are added to one of the tables

4. Which of the following is a requirement for an Append Query to work properly?

A) The tables must have a common column
B) The tables must have the same structure (columns & data types)
C) The tables must have the same number of rows
D) The tables must be sorted before appending

Answer: B) The tables must have the same structure (columns & data types)

5. If you want to add a "Customer Name" column from another table into your Sales table, which operation should you use?

A) Append
B) Merge
C) Remove Columns
D) Split Columns

Answer: B) Merge

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