[GRASS-user] Merge vector table with .dbf file [NHDPlus]

Moritz Lennert mlennert at club.worldonline.be
Wed Feb 1 09:47:37 EST 2012


On 01/02/12 13:42, Stephen Sefick wrote:
> All:
>
> I have the national hydrography dataset plus [NHDPlus]. The data came
> with a rather limited table of information by design. I would like to
> add a table with stream line attributes to the vector table. There is a
> common ID called COMID. I just want to merge the two tables together on
> COMID. How do I do this? I have thought of just merging the two tables
> together pre-import? Many thanks for any help.


Try db.in.ogr + v.db.join in a mapset with an SQL backend, e.g. SQLite 
instead of dbf.

Moritz


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