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CREATEDB(1)
NAME
createdb - create a new PostgreSQL database
SYNOPSIS
createdb [ option... ] [ dbname ] [ description ]
DESCRIPTION
createdb creates a new PostgreSQL database.
Normally, the database user who executes this command becomes the owner of
the new database. However a different owner can be specified via the -O
option, if the executing user has appropriate privileges.
createdb is a wrapper around the SQL command CREATE DATABASE
[create_database(5)]. There is no effective difference between creating
databases via this utility and via other methods for accessing the server.
OPTIONS
createdb accepts the following command-line arguments:
dbname
Specifies the name of the database to be created. The name must be
unique among all PostgreSQL databases in this cluster. The default is
to create a database with the same name as the current system user.
description
This optionally specifies a comment to be associated with the newly
created database.
-D location
--location location
Specifies the alternative location for the database. See also
initlocation(1).
-e
--echo
Echo the commands that createdb generates and sends to the server.
-E encoding
--encoding encoding
Specifies the character encoding scheme to be used in this database.
-O owner
--owner owner
Specifies the database user who will own the new database.
-q
--quiet
Do not display a response.
-T template
--template template
Specifies the template database from which to build this database.
The options -D, -E, -O, and -T correspond to options of the underlying SQL
command CREATE DATABASE [create_database(5)]; see there for more
information about them.
createdb also accepts the following command-line arguments for connection
parameters:
-h host
--host host
Specifies the host name of the machine on which the server is running.
If the value begins with a slash, it is used as the directory for the
Unix domain socket.
-p port
--port port
Specifies the TCP port or the local Unix domain socket file extension
on which the server is listening for connections.
-U username
--username username
User name to connect as
-W
--password
Force password prompt.
ENVIRONMENT
PGDATABASE
If set, the name of the database to create, unless overridden on the
command line.
PGHOST
PGPORT
PGUSER
Default connection parameters. PGUSER also determines the name of the
database to create, if it is not specified on the command line or by
PGDATABASE.
DIAGNOSTICS
In case of difficulty, see CREATE DATABASE [create_database(5)] and psql(1)
for discussions of potential problems and error messages. The database
server must be running at the targeted host. Also, any default connection
settings and environment variables used by the libpq front-end library will
apply.
EXAMPLES
To create the database demo using the default database server:
$ createdb demo
CREATE DATABASE
The response is the same as you would have gotten from running the CREATE
DATABASE SQL command.
To create the database demo using the server on host eden, port 5000, using
the LATIN1 encoding scheme with a look at the underlying command:
$ createdb -p 5000 -h eden -E LATIN1 -e demo
CREATE DATABASE "demo" WITH ENCODING = 'LATIN1'
CREATE DATABASE
SEE ALSO
dropdb(1), CREATE DATABASE [create_database(5)]
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