ОПИСАНИЕ
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.
ПРИМЕЧАНИЯ
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.
ПРИМЕРЫ
Dropping a column:
v.db.dropcol sentiero_brenta_points column=slope
v.info -c sentiero_brenta_points
СМ. ТАКЖЕ
db.execute,
v.db.addcol,
v.db.addtable,
v.db.connect,
v.db.droptable,
v.db.select,
v.db.update
АВТОР
Markus Neteler
Last changed: $Date: 2007-02-05 07:12:48 -0600 (Пн, 05 фев 2007) $
Автор перевода