DESCRIPTION

db.columns lists all columns for a give table. Connection to databases are supported through dbf, shp, odbc and pg drivers.

NOTE

If parameters for database connection are already set with db.connect, they are taken as default values and do not need to be spcified each time.

EXAMPLES

List columns of a PostgreSQL attribute table

db.columns table=zipcodes_wake driver=pg database=grassdb

If the database parameters are already set, the columns can be listed directly

db.columns table=zipcodes_wake

List columns from Shape file with DBF attribute table

db.columns table=zipcodes_wake driver=dbf database=/grassdata/nc_spm_08/PERMANENT/dbf/

List columns of table in SQLite database

Note that the SQLite backend is the default setting.
db.columns driver=sqlite table=archsites database='$GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db'

SEE ALSO

db.connect, db.describe, db.drivers, db.droptable, db.execute, db.login, db.tables, GRASS SQL interface

GRASS SQL interface

AUTHOR

Radim Blazek, ITC-Irst, Trento, Italy

Last changed: $Date$