[GRASS-user] exponentiation with v.db.update

Dylan Beaudette debeaudette at ucdavis.edu
Tue Jun 9 13:52:05 EDT 2009

On Tuesday 09 June 2009, A. Marcia BARBOSA wrote:
> > why not using sqlite backend? dbf is very limited for any serious use.
> It may seem quite simple for some, but to me all these things are a
> complete mystery... I'm actually very surprised I became able to
> handle GRASS! I'm planning on switching all my databases to PostgreSQL
> within this year (after taking a course, of course), but right now I
> have to work with what I've got... dbf it is. I've just managed to
> calculate the column outside and re-connect it to the vector map.

Well, when you get a chance, here are some tips on converting DB back-ends:

Note that there is a lot of red text on that page. It means "be careful!".


Dylan Beaudette
Soil Resource Laboratory
University of California at Davis

More information about the grass-user mailing list