PrestoDB is an open-source, distributed SQL query engine designed for fast and scalable analytic queries across large data sets. Developed for interactive analytics, Presto enables users to perform queries on data wherever it resides, supporting various data sources like HDFS (Hadoop Distributed File System), S3, MySQL, Cassandra, and others. It is characterized by its high performance and ability to execute complex queries quickly by processing data in memory. Maintained by the Presto Foundation and community contributors, PrestoDB is widely used in data-driven enterprises for business intelligence and analytics.