## GRASS GIS 6.4.4 Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPL'ed), image processing and geographic information system (GIS).

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database commands:

db.columns | List all columns for a given table.
db.connect | Prints/sets general DB connection for current mapset and exits.
db.copy | Copy a table.
db.describe | Describes a table in detail.
db.drivers | Lists all database drivers.
db.dropcol | Drops a column from selected attribute table
db.droptable | Drops an attribute table.
db.execute | Executes any SQL statement.
db.in.ogr | Imports attribute tables in various formats.
db.login | Sets user/password for driver/database.
db.out.ogr | Exports attribute tables into various formats.
db.select | Selects data from attribute table (performs SQL query statement(s)).
db.tables | Lists all tables for a given database.
db.test | Test database driver, database must exist and set by db.connect.

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© 2003-2014 GRASS Development Team, GRASS GIS 6.4.4 Reference Manual