HelioHost offers many database engines to choose from. Check out some of the following:
MySQL
MySQL is the most popular database engine for open-source web applications. Unlike almost all other free hosts, who limit the number of MySQL databases each user can host, HelioHost enables its users to take full advantage of the MySQL database engine. More...
PostgreSQL
HelioHost offers the PostgreSQL database engine, self-dubbed "the world's most advanced open source database". PostgreSQL is a popular alternative database for many web applications is a favorite of power users. More...
SQLite
Widely recognized as the most lightweight and speedy of all open source database engines, SQLite is rapidly gaining popularity among web developers. Without sacrificing too much in the way of functionality, the SQLite engine is able to handle data storage efficiently and dependably. More...