On Wed, 7 Nov 2018, Markus Metz wrote:
I suggested v.db.droptable, not db.droptable. db.* commands work on
databases whereas v.* commands work on vectors. Thus you need to use
v.db.connect, not db.connect, to connect a table to a vector, e.g.:
v.db.connect map=stations driver=pg database="willamette-river-hg"
table=stations layer=1
Markus M,
Okay. Another step in my learning to use postgres databases with grass
rther than the default.
I don't know if this makes a difference, but the stations table has the
same name in both databases. The grass map attribute table came from the
postgres table. The other maps were developed in grass and I used db.copy
with a name change to insert them in the postgres database.
I'll use v.db.connect and v.db.droptable now.
Many thanks,
Rich
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