AWS – User Defined Functions (UDF) are now generally available for Amazon Athena

User Defined Functions (UDF), which enable users to apply custom operations to their data, are now generally available for Amazon Athena. While Athena provides a wide range of built-in functions, users can extend these capabilities with their own functions and use them directly within their queries. This allows users to address specific use cases, such as redacting or encrypting sensitive data, without the need for complex data processing steps elsewhere in their data pipeline.

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