Note: As an alternative, you can configure this property using the alias query_results_aws_kms_key. If you specify both the property name and the alias for the same connection, the setting associated with the property name (S3OutputEncKMSKey) takes precedence.
The KMS key ARN or ID to use when encrypting query results using SSE_KMS or CSE_KMS encryption. For detailed information about the supported encryption options, see “Configuring Encryption Options” in the Amazon Athena User Guide : http://docs.aws.amazon.com/athena/latest/ug/encryption.html.
Default ValueData TypeRequired

None

String

Yes, if using SSE_KMS or CSE_KMS encryption.