OpenBase SQL is a relational database server software, originally developed for the OpenStep platform.
Relational
Disk-oriented
N-ary Storage Model (Row/Record)
http://www.openbase.com/
http://openbase.wikidot.com/
OpenBase International, Ltd.
US
1991
Commercial
Linux, OS X
Proprietary
https://en.wikipedia.org/wiki/OpenBase
Apollo
