Understanding the Limitations of Last Value and First Value in AWS Athena: Best Practices for Window Functions

Extracting Unique Keys from JSON Objects with Presto

Calculating Percentage of Nulls for Each Column in Amazon Athena Using Presto Queries

How to Leverage Amazon Athena for Complex Row Data Generation

Retrieving Running Instances: A Two-Inner-Join Approach to Combining Data from Multiple Tables in AWS Athena