[GRASS-user] Displaying Results of Attribute Subselects

Martin Landa landa.martin at gmail.com
Fri Mar 18 15:25:02 EDT 2011


2011/3/18 Rich Shepard <rshepard at appl-ecosys.com>:
>  The examples on the db.select manual page are simple, either SELECT of a
> single column itself, or conditioned with a simple WHERE clause. If
> attributes for a sampling location or river reach are stored in multiple,
> related tables in a postgres database, can I run complex SELECT statements
> that join multiple tables using db.select? If not, and the queries need to
> be run externally to GRASS, how would I display maps of the returned rows?

yes, you can run any select statement which is supported by DB backend
you are using...


Martin Landa <landa.martin gmail.com> * http://geo.fsv.cvut.cz/~landa

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