Rechercher une page de manuel
v.db.dropcol.1grass
Langue: en
Version: 333407 (ubuntu - 24/10/10)
Section: 1 (Commandes utilisateur)
NAME
v.db.dropcol - Drops a column from the attribute table connected to a given vector map.KEYWORDS
vector, database, attribute tableSYNOPSIS
v.db.dropcolv.db.dropcol help
v.db.dropcol map=name [layer=integer] column=string [--verbose] [--quiet]
Parameters:
- map=name
Vector map for which to drop attribute column- layer=integer
Layer where to drop column
Default: 1- column=string
Name of the column
DESCRIPTION
v.db.dropcol drops a column from the attribute table connected to a given vector map. It automatically checks the connection for the specified layer. v.db.dropcol omits to delete the 'cat' column which is relevant to keep the connection between vector map and table.NOTES
v.db.dropcol is a front-end to db.execute to allow easier usage. The existing database connection(s) can be verified with v.db.connect.EXAMPLES
Dropping a column:v.db.dropcol sentiero_brenta_points column=slope
v.info -c sentiero_brenta_points
SEE ALSO
db.droptable, db.execute, v.db.addcol, v.db.addtable, v.db.connect, v.db.droptable, v.db.select, v.db.updateAUTHOR
Markus NetelerLast changed: $Date: 2007-12-30 12:48:58 +0100 (dom, 30 dic 2007) $
Full index
© 2003-2010 GRASS Development Team
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre