Martin, so polite!!! "...do not require any magic configuration parameters"
to which the temptation to add "that no one ever gets right" is far, far too great to pass up. Martin Davis wrote: > A couple of comments: > > Web Mapping Toolkits - the latest release of MapServer claims to > support SQLServer (although with what actual functionality I don't know) > > Spatial Indexes - SQLServer does use a multi-level grid hierarchy as > stated, but Oracle and IBM do not. Oracle supports an R-tree index, > and recommends using it for spatial indexing. IBM I think uses the > somewhat bizarre Hipparchus index (although they may also support > something more orthodox). A key difference between R-trees and grid > indexes is that R-trees are self-tuning and do not require any magic > configuration parameters. > > > Paragon wrote: >> As part of our due diligence work, we are formulating a comparison of >> the >> spatial functionality offered by SQL Server 2008 Spatial, PostGIS and >> MySQL. >> Its currently in draft, but we hope to release within the next week. >> >> We would appreciate if people could take a quick look at it and let >> us know >> if you see any gross errors or important things we left out. Most of >> this >> information we curled from reading the help docs of each product and >> from >> our general familiarity with the databases and GIS products out >> there. We >> tried to be as fair as possible. >> >> >> http://www.bostongis.com/PrinterFriendly.aspx?content_name=sqlserver2008_pos >> >> tgis_mysql_compare >> >> Thanks, >> Regina and Leo >> >> >> _______________________________________________ >> postgis-users mailing list >> postgis-users@postgis.refractions.net >> http://postgis.refractions.net/mailman/listinfo/postgis-users >> >> > -- Regards, Chris Hermansen mailto:[EMAIL PROTECTED] tel+1.604.714.2878 · fax+1.604.733.0631 · mob+1.778.232.0644 Timberline Natural Resource Group · http://www.timberline.ca 401 · 958 West 8th Avenue · Vancouver BC · Canada · V5Z 1E5 _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
