Note: This document is for an older version of GRASS GIS that is outdated. You should upgrade, and read the current manual page.
NAME
v.db.dropcol - Drops a column from the attribute table connected to a given vector map.
KEYWORDS
vector, database, attribute table
SYNOPSIS
v.db.dropcol
v.db.dropcol help
v.db.dropcol map=name [layer=string] column=string [--verbose] [--quiet]
Parameters:
- map=name
- Vector map for which to drop attribute column
- layer=string
- Layer where to drop column
- Default: 1
- column=string
- Name of the column to drop
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.update
AUTHOR
Markus Neteler
Last changed: $Date: 2013-09-21 17:51:04 -0700 (Sat, 21 Sep 2013) $
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