Announcing Amazon Relational Database Service (RDS) Snapshot Export to S3
You can now export Amazon Relational Database Service (Amazon RDS) or Amazon Aurora snapshots to Amazon S3 as Apache Parquet, an efficient open columnar storage format for analytics. The Parquet format is up to 2x faster to export and consumes up to 6x less storage in Amazon S3, compared to text formats. You can analyze the exported data with other AWS services such as Amazon Athena, Amazon EMR, and Amazon SageMaker.
Source:: Amazon AWS