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>PostgreSQL 8.1.9 Documentation</TH
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><H1
><A
NAME="APP-CREATEDB"
></A
><SPAN
CLASS="APPLICATION"
>createdb</SPAN
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN49654"
></A
><H2
>Name</H2
>createdb -- create a new <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> database</DIV
><A
NAME="AEN49658"
></A
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN49660"
></A
><H2
>Synopsis</H2
><P
><TT
CLASS="COMMAND"
>createdb</TT
> [<TT
CLASS="REPLACEABLE"
><I
>option</I
></TT
>...] [<TT
CLASS="REPLACEABLE"
><I
>dbname</I
></TT
>] [<TT
CLASS="REPLACEABLE"
><I
>description</I
></TT
>]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="R1-APP-CREATEDB-1"
></A
><H2
> Description
</H2
><P
> <SPAN
CLASS="APPLICATION"
>createdb</SPAN
> creates a new <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
database.
</P
><P
> Normally, the database user who executes this command becomes the owner of
the new database.
However a different owner can be specified via the <TT
CLASS="OPTION"
>-O</TT
>
option, if the executing user has appropriate privileges.
</P
><P
> <SPAN
CLASS="APPLICATION"
>createdb</SPAN
> is a wrapper around the
<ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> command <A
HREF="sql-createdatabase.html"
><I
>CREATE DATABASE</I
></A
>.
There is no effective difference between creating databases via
this utility and via other methods for accessing the server.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN49680"
></A
><H2
>Options</H2
><P
> <SPAN
CLASS="APPLICATION"
>createdb</SPAN
> accepts the following command-line arguments:
<P
></P
></P><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>dbname</I
></TT
></DT
><DD
><P
> Specifies the name of the database to be created. The name must be
unique among all <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> databases in this cluster.
The default is to create a database with the same name as the
current system user.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>description</I
></TT
></DT
><DD
><P
> Specifies a comment to be associated with the newly created
database.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-D <TT
CLASS="REPLACEABLE"
><I
>tablespace</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--tablespace <TT
CLASS="REPLACEABLE"
><I
>tablespace</I
></TT
></TT
></DT
><DD
><P
> Specifies the default tablespace for the database.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-e</TT
><BR><TT
CLASS="OPTION"
>--echo</TT
></DT
><DD
><P
> Echo the commands that <SPAN
CLASS="APPLICATION"
>createdb</SPAN
> generates
and sends to the server.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-E <TT
CLASS="REPLACEABLE"
><I
>encoding</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--encoding <TT
CLASS="REPLACEABLE"
><I
>encoding</I
></TT
></TT
></DT
><DD
><P
> Specifies the character encoding scheme to be used in this
database. The character sets supported by the
<SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> server are described in
<A
HREF="multibyte.html#MULTIBYTE-CHARSET-SUPPORTED"
>Section 21.2.1</A
>.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-O <TT
CLASS="REPLACEABLE"
><I
>owner</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--owner <TT
CLASS="REPLACEABLE"
><I
>owner</I
></TT
></TT
></DT
><DD
><P
> Specifies the database user who will own the new database.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-q</TT
><BR><TT
CLASS="OPTION"
>--quiet</TT
></DT
><DD
><P
> Do not display a response.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-T <TT
CLASS="REPLACEABLE"
><I
>template</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--template <TT
CLASS="REPLACEABLE"
><I
>template</I
></TT
></TT
></DT
><DD
><P
> Specifies the template database from which to build this database.
</P
></DD
></DL
></DIV
><P>
</P
><P
> The options <TT
CLASS="OPTION"
>-D</TT
>, <TT
CLASS="OPTION"
>-E</TT
>,
<TT
CLASS="OPTION"
>-O</TT
>, and
<TT
CLASS="OPTION"
>-T</TT
> correspond to options of the underlying
SQL command <A
HREF="sql-createdatabase.html"
><I
>CREATE DATABASE</I
></A
>; see there for more information
about them.
</P
><P
> <SPAN
CLASS="APPLICATION"
>createdb</SPAN
> also accepts the following
command-line arguments for connection parameters:
<P
></P
></P><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="OPTION"
>-h <TT
CLASS="REPLACEABLE"
><I
>host</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--host <TT
CLASS="REPLACEABLE"
><I
>host</I
></TT
></TT
></DT
><DD
><P
> 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
></DD
><DT
><TT
CLASS="OPTION"
>-p <TT
CLASS="REPLACEABLE"
><I
>port</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--port <TT
CLASS="REPLACEABLE"
><I
>port</I
></TT
></TT
></DT
><DD
><P
> Specifies the TCP port or the local Unix domain socket file
extension on which the server is listening for connections.
</P
></DD
><DT
><TT
CLASS="OPTION"
>-U <TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
></TT
><BR><TT
CLASS="OPTION"
>--username <TT
CLASS="REPLACEABLE"
><I
>username</I
></TT
></TT
></DT
><DD
><P
> User name to connect as
</P
></DD
><DT
><TT
CLASS="OPTION"
>-W</TT
><BR><TT
CLASS="OPTION"
>--password</TT
></DT
><DD
><P
> Force password prompt.
</P
></DD
></DL
></DIV
><P>
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN49792"
></A
><H2
>Environment</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="ENVAR"
>PGDATABASE</TT
></DT
><DD
><P
> If set, the name of the database to create, unless overridden on
the command line.
</P
></DD
><DT
><TT
CLASS="ENVAR"
>PGHOST</TT
><BR><TT
CLASS="ENVAR"
>PGPORT</TT
><BR><TT
CLASS="ENVAR"
>PGUSER</TT
></DT
><DD
><P
> Default connection parameters. <TT
CLASS="ENVAR"
>PGUSER</TT
> also
determines the name of the database to create, if it is not
specified on the command line or by <TT
CLASS="ENVAR"
>PGDATABASE</TT
>.
</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN49811"
></A
><H2
>Diagnostics</H2
><P
> In case of difficulty, see <A
HREF="sql-createdatabase.html"
><I
>CREATE DATABASE</I
></A
> and <A
HREF="app-psql.html"
><SPAN
CLASS="APPLICATION"
>psql</SPAN
></A
> 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 <SPAN
CLASS="APPLICATION"
>libpq</SPAN
> front-end
library will apply.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN49817"
></A
><H2
>Examples</H2
><P
> To create the database <TT
CLASS="LITERAL"
>demo</TT
> using the default
database server:
</P><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>$ </SAMP
><KBD
CLASS="USERINPUT"
>createdb demo</KBD
>
<SAMP
CLASS="COMPUTEROUTPUT"
>CREATE DATABASE</SAMP
></PRE
><P>
The response is the same as you would have gotten from running the
<TT
CLASS="COMMAND"
>CREATE DATABASE</TT
> <ACRONYM
CLASS="ACRONYM"
>SQL</ACRONYM
> command.
</P
><P
> To create the database <TT
CLASS="LITERAL"
>demo</TT
> using the
server on host <TT
CLASS="LITERAL"
>eden</TT
>, port 5000, using the
<TT
CLASS="LITERAL"
>LATIN1</TT
> encoding scheme with a look at the
underlying command:
</P><PRE
CLASS="SCREEN"
><SAMP
CLASS="PROMPT"
>$ </SAMP
><KBD
CLASS="USERINPUT"
>createdb -p 5000 -h eden -E LATIN1 -e demo</KBD
>
<SAMP
CLASS="COMPUTEROUTPUT"
>CREATE DATABASE "demo" WITH ENCODING = 'LATIN1'</SAMP
>
<SAMP
CLASS="COMPUTEROUTPUT"
>CREATE DATABASE</SAMP
></PRE
><P>
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN49836"
></A
><H2
>See Also</H2
><A
HREF="app-dropdb.html"
><SPAN
CLASS="APPLICATION"
>dropdb</SPAN
></A
>, <A
HREF="sql-createdatabase.html"
><I
>CREATE DATABASE</I
></A
>, Environment Variables (<A
HREF="libpq-envars.html"
>Section 28.11</A
>)</DIV
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