Podcast with CTO of http://flightaware.com mentions PostgreSQL:
http://cisx1.uma.maine.edu/~wbackman/bsdtalk/bsdtalk042.mp3
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Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461