Retrieving Values and Summing Them from Nested JSON Columns in SQL: A Comprehensive Guide

Understanding EPOCH Time and Timestamps in Presto/Athena: A Comprehensive Guide

Resolving the SYNTAX_ERROR: '+ cannot be applied to varchar, varchar' Error in AWS Athena (Presto) Queries

Forming Timedeltas for Segments of Rows in Time Series Data

Using Presto to Combine Column Values into One Column: A Comprehensive Guide to UNION and UNION ALL

Counting Business Days Between Two Dates in Amazon Athena Using SQL Queries