Note: This document is for an older version of GRASS GIS that is outdated. You should upgrade, and read the current manual page.

GRASS logo

NAME

db.columns - List all columns for a given table.

KEYWORDS

database, attribute table

SYNOPSIS

db.columns
db.columns --help
db.columns table=name [driver=name] [database=name] [--help] [--verbose] [--quiet] [--ui]

Flags:

--help
Print usage summary
--verbose
Verbose module output
--quiet
Quiet module output
--ui
Force launching GUI dialog

Parameters:

table=name [required]
Name of attribute table
driver=name
Name of database driver
Options: dbf, odbc, ogr, pg, sqlite
Default: sqlite
database=name
Name of database
Default: $GISDBASE/$LOCATION_NAME/$MAPSET/sqlite/sqlite.db

Table of contents

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

SOURCE CODE

Available at: db.columns source code (history)

Latest change: Thu Feb 3 11:10:06 2022 in commit: 73413160a81ed43e7a5ca0dc16f0b56e450e9fef


Main index | Database index | Topics index | Keywords index | Graphical index | Full index

© 2003-2022 GRASS Development Team, GRASS GIS 8.0.3dev Reference Manual