Amazon Athena Separate Nested Columns Into Rows Sql Stack Overflow

Amazon Athena Separate Nested Columns Into Rows Sql Stack Overflow I was trying with cross join and unnest , but i only managed to split one column, not all three at the same time i have this table in amazon athena and i want to separate the columns with lists. When working with nested arrays, you often need to expand nested array elements into a single array, or expand the array into multiple rows. use the flatten function.

Aws Athena Parse Nested Json Array Stack Overflow Amazon athena involves using the ‘unnest’ function to break down arrays or structs into separate rows and columns. you need to unnest nested json data to transform it into a tabular format for easier querying and analysis.

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