MySQL - The world's most popular open source database
Oracle DBaaS - See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise.
Datahike - A durable datalog database adaptable for distribution.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
MarkLogic Server - MarkLogic Server is a multi-model database that has both NoSQL and trusted enterprise data management capabilities.
Microsoft SQL - Microsoft SQL is a best in class relational database management software that facilitates the database server to provide you a primary function to store and retrieve data.