# SDB - A SPARQL Database for Jena

SDB is a component of Jena. It provides for scalable storage and query of RDF datasets using conventional SQL databases for use in standalone applications, J2EE and other application frameworks. The database tools for load balancing, security, clustering, backup and administration can all be used to manage the installation. SDB is designed specifically to support SPARQL, the query language developed by the W3C RDF Data Access Working Group.

Supported databases, with earliest versions, include:

- Microsoft SQL Server 2005 including SQL Server Express
- Oracle 10gR2 including Oracle Express
- IBM DB2 including DB2 Express
- PostgreSQL v8
- MySQL 5.0 (>=5.0.22)
- HSQLDB 1.8
- H2 1.0.73
- Apache Derby 10.2

## See Also

ARQ - the SPARQL query engine for Jena. SDB provides an ARQ query engine.

Joseki - a SPARQL query server, using ARQ and the SPARQL protocol.

TDB - a pure-Java, non-transactional database for both embedded use and very large datasets.