Re: [QGIS-Developer] Slow QGIS performance with Oracle datasets

2017-05-19 Thread Jürgen E . Fischer
Hi Niels, On Wed, 17. May 2017 at 12:13:34 +, Niels Kjær wrote: > Using QGIS we find that retrieving, rendering and querying/filtering (spatial > vector)data from our Oracle databases takes a lot longer than using PostGIS > databases. > Our DBAs have investigated the matter and finds the

[QGIS-Developer] Slow QGIS performance with Oracle datasets

2017-05-17 Thread Niels Kjær
Hi, Using QGIS we find that retrieving, rendering and querying/filtering (spatial vector)data from our Oracle databases takes a lot longer than using PostGIS databases. Our DBAs have investigated the matter and finds the performance to be 10-50 times slower in some cases. Using for example