PostgreSQL is the first SQL database to make its way to Compose. Postgres is a powerful, open source object-relational database that is highly customizable. With Postgres, development is fast and easily scalable, plus you can develop in a language you're comfortable with like C/C++, Perl, Python, TCL/TK, Delphi/Kylix, VB, PHP, ASP, and Java just for starters. It's a feature-rich enterprise database with JSON support, giving you the best of both the SQL and NoSQL worlds.
Highly available, autoscaling databases with automatic backups