Pivot Unpivot Quiz

Quiz covering Transform and Load the Data

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

1. 1

   What is the primary purpose of the 'Pivot' operation in data transformation?

2. 2

   You have a table where each month has its own column (e.g., Jan, Feb, Mar). You want to transform this into a 'long' format with one 'Month' column and one 'Value' column. Which operation should you use?

3. 3

   When performing a Pivot operation on a dataset, what is a common requirement for the columns that are not being pivoted?

4. 4

   If your dataset has columns 'Category', 'Region', and 'Sales', and you pivot the 'Region' column, what happens to the resulting table structure?

5. 5

   You are processing a dataset with 50 columns representing daily sales for the last two months. You need to perform a time-series analysis that requires all sales data in a single column. If you unpivot these 50 columns, how does the row count of your dataset change?