This is a repackaged open source software product wherein a fee is applied for the deployment of the application and AMI support and compliance. Presto is a distributed SQL query engine designed to query large data sets distributed over one or more heterogeneous data sources. For data engineers who struggle with managing multiple query languages and interfaces to siloed databases and storage, Presto is the fast and reliable engine that provides one simple ANSI SQL interface for all your data analytics and your open lakehouse.