Database Management Systems
- MS SQL Server
- Oracle Database Server
- MySQL
- PostgreSQL
- Sybase Advantage Database Server, SQL Anywhere
- IBM DB/2
- Apache Derby, Berkley DB, Hypersonic SQL, MS Access, SQLite
- MapReduce
- Hadoop
- noSQL
- MongoDB
- CouchDB/CouchBase
- Redis
- RavenDB
- Cassandra
