Powerful, small footprint embedded database. Db.* (pronounced dee-be star) is an advanced, high performance, small footprint embedded database for open source operating systems. The db.* source code and manual are freely available as well, and use and distribution are unrestricted as long as the software is used on open-source operating systems. By combining the network and relational model technologies in a single system, db.* lets you organize and access information efficiently, regardless of the complexity of the data.