Survey of open-source databases principally examines MySQL, PostgreSQL, and InterBase.
list of database management tools.
Comparisons vs. MySQL, InterBase, Oracle.
Firebird is based on InterBase.
Apache Derby nee Cloudscape
Berkeley DB by Sleepycat (now purchased by Oracle)
- IBM's DB2 now has a free, but not open source, version.
Exporting a schema and data from a Microsoft Access database:
Msaccess2rdbms is a Perl script
AccessMyWizard converts between Access and MySQL databases (free trial)
MDB Artisan is a commercial tool with a free trial
ODBC Export from Access (here, to DB2)
No help in the Access How-To articles