Presto supports MySQL and PostgreSQL. It also integrates with the Hive metastore to complement existing Hive environments with low latency queries. Unlike a relational database, Presto does not require centralized schema definitions. Presto can query self-describing data as well as complex or multi-structured data. Presto supports semi-structured or nested data types such as JSON.
Presto processes data in record batches and discovers the schema during the processing of each record batch. This enables Presto to support changing schemas during a query.
Supported Presto data types
The following Presto data types are supported by the
- Timestamp With Time Zone