Open Source Database Software

Besides learning some fundamental GIS / mapping skills, having some knowledge of current database software and systems can go a long way towards getting good employment. Fortunately, most database vendors see providing free tools as a way to educate, develop, and promote a sophisticated user society.

Commercial Database Software (free to develop, deploy, distribute)

• SQL Server Express (Microsoft)
• DB2 Express-C (IBM)
• Database Express Edition 11g R2 (Oracle)

Open Source Database Software

• MySQL (The world's most popular open source database)
• PostgreSQL (The world's most advanced open source database)
• Firebird (The world's true open source database)