Query arrays with complex types and nested structures - Amazon Athena
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Query arrays with complex types and nested structures

Your source data often contains arrays with complex data types and nested structures. Examples in this section show how to change element's data type, locate elements within arrays, and find keywords using Athena queries.