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db.connect
Langue: en
Version: 148720 (fedora - 04/07/09)
Section: 1 (Commandes utilisateur)
Sommaire
NAME
db.connect - Prints/sets general DB connection for current mapset and exits.KEYWORDS
database, SQLSYNOPSIS
db.connectdb.connect help
db.connect [-p] [driver=name] [database=name] [schema=string] [group=string] [--verbose] [--quiet]
Flags:
- -p
Print current connection parameters and exit- --verbose
Verbose module output- --quiet
Quiet module output
Parameters:
- driver=name
Driver name
Options: odbc,pg,dbf
Default: dbf- database=name
Database name
Default: $GISDBASE/$LOCATION_NAME/$MAPSET/dbf/- schema=string
Database schema
Do not use this option if schemas are not supported by driver/database server- group=string
Default group of database users to which select privilege is granted
DESCRIPTION
db.connect allows the user to set parameters for connection to database. These parameters are then taken by modules as default values and user do not need enter parameters each time. Values are stored in user file; the connection is not tested for validity.OPTIONS
Typing db.connect -p displays current connection parameters.EXAMPLES
DBF
Local storage (the dbf/ subdirectory in the mapset must exist or must be created by the user):db.connect driver=dbf database='$GISDBASE/$LOCATION_NAME/$MAPSET/dbf/'
db.tables -p
SQLite
Local storage:db.connect driver=sqlite database='$GISDBASE/$LOCATION_NAME/$MAPSET/sqlite.db'
db.connect -p
db.tables -p
The SQLite database is created automatically when used the first time.
ODBC
Network storage: (may require the use of db.login):db.connect driver=odbc database=gtest
db.login user=myname [pass=secret]
db.connect -p
db.tables -p
PostgreSQL
Network storage: (may require the use of db.login):db.connect driver=pg database="host=myserver.itc.it,dbname=mydb"
db.login user=myname [pass=secret]
db.connect -p
db.tables -p
PostgreSQL with different port
Network storage: (may require the use of db.login):db.connect driver=pg database="host=myserver.itc.it,dbname=mydb,port=6666"
db.login user=myname [pass=secret]
db.connect -p
db.tables -p
MySQL (local)
Local storage (db.login may not be needed):db.connect driver=mysql database=mydb
db.login user=myname [pass=secret]
db.connect -p
db.tables -p
MySQL (external server)
Network storage: (may require the use of db.login):db.connect driver=mysql database="host=myserver.itc.it,dbname=mydb"
db.login user=myname [pass=secret]
db.connect -p
db.tables -p
NOTES
To connect a vector map to a database table, use v.db.connect or v.db.addtable.SEE ALSO
db.columns, db.drivers, db.login, db.tables, v.db.addtable, v.db.connect, GRASS SQL interfaceAUTHOR
Radim Blazek, ITC-Irst, Trento, ItalyLast changed: $Date: 2007-01-27 21:08:32 +0100 (Sat, 27 Jan 2007) $
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