Appendix: Major Database Management Systems

1. Ingres (Actian Corporation)

   A full featured relational database management system available as a proprietary or an open source edition.

   http://www.actian.com/products/ingres

2. Oracle Database (Oracle Corporation)

   An enterprise level database management system with a free to use Express Edition.

   http://www.oracle.com/technetwork/products/express-edition/overview/index.html

3. IBM DB2 (IBM Corporation)

   A powerful relational database management system with a free edition called DB2 Express-C.

   http://www-01.ibm.com/software/data/db2/express/

4. PostgreSQL

   Open Source relational database management system with tons of features.

   http://www.postgresql.org/

5. MySQL (Oracle Corporation)

   Popular and easy to use open source DBMS.

   http://www.mysql.com/

6. Firebird

   Full featured, open source relational DBMS.

   http://www.firebirdsql.org/

7. SQLite (D. Richard Hipp)

   Popular, small and free to use embeddable database system.

   http://sqlite.org/

8. Access (Microsoft Corporation)

   Personal relational database system with a graphical interface.

   http://office.microsoft.com/access

9. SQL Server (Microsoft Corporation)

   Proprietary, powerful dbms with a free to use express edition.

   https://www.microsoft.com/en-us/sqlserver/editions/2012-editions/express.aspx