Presto is an open-source distributed SQL (on everything) query engine that is designed and built from the ground up for running interactive analytic queries against a large number of data sources. PrestoDB's ability to query data at its source — across multiple sources — in a federated way, plus its in-memory pipelining architecture, make for greater scalability, speed, and performance.
This Refcard provides everything to get you up and running with PrestoDB: You will learn about concepts and terminology; installation, setup, and launch; key techniques (with examples); and more!