Hi Jürgen, > > Yes. OGR doesn't support deletion of fields. Table manager copies the table. > See also [1]. > > Jürgen > > [1] http://trac.osgeo.org/qgis/ticket/1934 I see. Hopefully the patch will be applied soon(?), it is one year old. Meanwhile, why not using the table manager approach in qgis? cheers -- Giovanni --