According to this, ERSI recommend file geodatabase over personal geodatabas and arcsde are for multiuser system and need additional software and licenes, I tthink. So If you only have Arcgis they recommend file database och personal geodatabase, not ArcSDE. I think.
http://webhelp.esri.com/arcgisdesktop/9.2/index.cfm?topicname=types_of_geodatabases 2012/9/23 Andrea Peri <aperi2...@gmail.com> > Yes is true. > Esri don't recommend the personal-gdb. > Esri recommend the arcsdk > > Because the access db is slow and with size limit (2GB). > > The spatialite instead has not a size limit and is fast. :) > > But I guess there is another more important question: > spatialite work in double precision indipendently by the extent of the DB. > > In the personal-geodatabase (9.1 version) is the extent of dataset is 10km > there is a precision P1. > If the extent of the dataset is 1000Km the precision is P2 with P2 worst > than P1. > > Spatialite don't do this. > > > > Johan Nilsson <joni8...@gmail.com> > > But ESRI does NOT recommend to use personal-geodatabases as i show in a >> link, above. It's get slow around 500Mb and have a maximun limit of 2GB for >> instance. >> >> /Cheers >> >> >> >> 2012/9/23 Andrea Peri <aperi2...@gmail.com> >> >>> I guess who buy an arcgis, should still use it. :)) >>> >>> If an user is happy with the results of arcgis and its >>> personal-geodatabse. >>> >>> AFAIK arcgis and personal-geodatabase, has a simpatic mechanism to >>> transform the coords in a quantized value coords. >>> It a curious mechanism perhpas the best an human can invent, but it has >>> only a "little" problem. >>> It change always the cords when an user share their dataset with other >>> users having another geodatabse with different precision in it. >>> >>> If an user don't see a problem in this. >>> I guess it is better still to use this wonderful product. >>> :)) >>> >>> I guess spatialite is not a good product for this users. >>> >>> >>> Regards, >>> >>> -- >>> ----------------- >>> Andrea Peri >>> . . . . . . . . . >>> qwerty àèìòù >>> ----------------- >>> >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> Qgis-user@lists.osgeo.org >>> http://lists.osgeo.org/mailman/listinfo/qgis-user >>> >>> >> > > > -- > ----------------- > Andrea Peri > . . . . . . . . . > qwerty àèìòù > ----------------- > >
_______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-user