Amazon Redshift supports read-only queries using familiar ANSI SQL on Apache Iceberg, Apache Hudi, and Delta Lake table formats, and querying open file formats including Apache Parquet, ORC, Avro, JSON, and CSV directly in Amazon S3. Apache Iceberg is an example of an open source table format that provides transactional consistency and enhanced organization of data lakes through its table structure. Amazon Redshift Spectrum lets you read from tables, and data in open data formats like Parquet, in your data lake while keeping up to exabytes of structured, semistructured, and unstructured data in Amazon S3. You can also export data to your data lake using the Amazon Redshift UNLOAD command, including the option to export to Parquet. Exporting data from Amazon Redshift back to your data lake lets you analyze the data further with AWS services such as Amazon Athena, Amazon EMR, and SageMaker.