Athena SQL Analysis Quiz

Quiz covering Data Analysis

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

   Which SQL clause is used in Amazon Athena to filter rows based on a specific condition after the data has been retrieved from the table?

2. 2

   When querying data in Athena stored in Amazon S3, why is it recommended to use partitioned columns in your WHERE clause?

3. 3

   You have a large table and need to find the top 5 customers by total purchase amount. Which combination of clauses should you use?

4. 4

   If you need to join a large fact table with a small reference table in Athena, which optimization technique helps improve query performance?

5. 5

   You are querying data stored in Parquet format. You notice that even with a partition filter, the query scans more data than expected. What is the most likely cause?