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: 2013-09-22 10:26:32 +0200 (Sun, 22 Sep 2013) $
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