PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Apache Hive - Apache Hive data warehouse software facilitates querying and managing large datasets residing in distributed storage.
MySQL - The world's most popular open source database
Greenplum Database - Greenplum Database is an open source parallel data warehousing platform.
Oracle DBaaS - See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise.
SQLite - SQLite Home Page