Its a distributed SQL engine that can query files from various database engines (via connectors or JDBC drivers), including structured file formats like CSV or

Its a distributed SQL engine that can query files from various database engines (via connectors or JDBC drivers), including structured file formats like CSV or Parquet (using the Hive metastore). Presto does not manage storage itself, but instead focuses on fronting those data sources with a single access point, with the option to federate (join) different sources in a single query.