An impressive summary of presentations, but my professional favorite would be ‘IBM DB2 Express-C: A Free Database for Open Source Spatial and XML Development’. Although something tells me that something else might be the crowd favorite.
On DB2 Express-C: It went free soon after its counter-weights Oracle XE and SQL Server XE last year, but its press “news” release has not found its way into major SIS publications. DB2’s continued advancements in the free spatial database market could only make things tighter for PostgreSQL+PostGIS.
Free and Open Source Software for Geospatial [FOSS4G] 2007
‘DB2 Express-C, the developer-friendly alternative’
‘Oracle XE and Geospatial Information Systems: An Interview with
Dennis Wuthrich of Farallon Geographics’