database.1 2.21 KB
Newer Older
xuebingbing's avatar
xuebingbing committed
1 2
.TH database 1 "" "GRASS 7.8.4" "GRASS GIS User's Manual"
.SH GRASS GIS 7.8.4 Reference Manual
xuebingbing's avatar
xuebingbing committed
3 4
.PP
\fBGeographic Resources Analysis Support System\fR, commonly
xuebingbing's avatar
xuebingbing committed
5
referred to as GRASS GIS, is a Geographic
xuebingbing's avatar
xuebingbing committed
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138
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.
.PP
This reference manual details the use of modules distributed with
Geographic Resources Analysis Support System (GRASS), an open source
(GNU GPLed), image
processing and geographic information system (GIS).
Go to database introduction | topics
.PP
Go back to help overview
.SS Database commands:
.TS
expand;
lw60 lw1 lw60.
T{
db.columns
T}	 	T{
List all columns for a given table.
T}
.sp 1
T{
db.connect
T}	 	T{
Prints/sets general DB connection for current mapset.
T}
.sp 1
T{
db.copy
T}	 	T{
Copy a table.
T}
.sp 1
T{
db.createdb
T}	 	T{
Creates an empty database.
T}
.sp 1
T{
db.databases
T}	 	T{
Lists all databases for a given driver and location.
T}
.sp 1
T{
db.describe
T}	 	T{
Describes a table in detail.
T}
.sp 1
T{
db.drivers
T}	 	T{
Lists all database drivers.
T}
.sp 1
T{
db.dropcolumn
T}	 	T{
Drops a column from selected attribute table.
T}
.sp 1
T{
db.dropdb
T}	 	T{
Removes an existing database.
T}
.sp 1
T{
db.droptable
T}	 	T{
Drops an attribute table.
T}
.sp 1
T{
db.execute
T}	 	T{
Executes any SQL statement.
T}
.sp 1
T{
db.in.ogr
T}	 	T{
Imports attribute tables in various formats.
T}
.sp 1
T{
db.login
T}	 	T{
Sets user/password for DB driver/database.
T}
.sp 1
T{
db.out.ogr
T}	 	T{
Exports attribute tables into various formats.
T}
.sp 1
T{
db.select
T}	 	T{
Selects data from attribute table.
T}
.sp 1
T{
db.tables
T}	 	T{
Lists all tables for a given database.
T}
.sp 1
T{
db.test
T}	 	T{
Test database driver, database must exist and set by db.connect.
T}
.sp 1
T{
db.univar
T}	 	T{
Calculates univariate statistics on selected table column.
T}
.sp 1
.TE
.PP
Main index |
Topics index |
Keywords index |
Graphical index |
Full index
.PP
xuebingbing's avatar
xuebingbing committed
139
© 2003\-2020
xuebingbing's avatar
xuebingbing committed
140
GRASS Development Team,
xuebingbing's avatar
xuebingbing committed
141
GRASS GIS 7.8.4 Reference Manual