diff options
Diffstat (limited to '')
| -rw-r--r-- | doc/src/sgml/ref/createdb.sgml | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/createdb.sgml b/doc/src/sgml/ref/createdb.sgml new file mode 100644 index 0000000..c4f7e12 --- /dev/null +++ b/doc/src/sgml/ref/createdb.sgml @@ -0,0 +1,396 @@ +<!-- +doc/src/sgml/ref/createdb.sgml +PostgreSQL documentation +--> + +<refentry id="app-createdb"> + <indexterm zone="app-createdb"> + <primary>createdb</primary> + </indexterm> + + <refmeta> + <refentrytitle><application>createdb</application></refentrytitle> + <manvolnum>1</manvolnum> + <refmiscinfo>Application</refmiscinfo> + </refmeta> + + <refnamediv> + <refname>createdb</refname> + <refpurpose>create a new <productname>PostgreSQL</productname> database</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>createdb</command> + <arg rep="repeat"><replaceable>connection-option</replaceable></arg> + <arg rep="repeat"><replaceable>option</replaceable></arg> + <arg choice="opt"><replaceable>dbname</replaceable> + <arg choice="opt"><replaceable>description</replaceable></arg></arg> + </cmdsynopsis> + </refsynopsisdiv> + + + <refsect1 id="r1-app-createdb-1"> + <title>Description</title> + <para> + <application>createdb</application> creates a new <productname>PostgreSQL</productname> + database. + </para> + + <para> + Normally, the database user who executes this command becomes the owner of + the new database. + However, a different owner can be specified via the <option>-O</option> + option, if the executing user has appropriate privileges. + </para> + + <para> + <application>createdb</application> is a wrapper around the + <acronym>SQL</acronym> command <xref linkend="sql-createdatabase"/>. + There is no effective difference between creating databases via + this utility and via other methods for accessing the server. + </para> + + </refsect1> + + + <refsect1> + <title>Options</title> + + <para> + <application>createdb</application> accepts the following command-line arguments: + + <variablelist> + <varlistentry> + <term><replaceable class="parameter">dbname</replaceable></term> + <listitem> + <para> + Specifies the name of the database to be created. The name must be + unique among all <productname>PostgreSQL</productname> databases in this cluster. + The default is to create a database with the same name as the + current system user. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><replaceable class="parameter">description</replaceable></term> + <listitem> + <para> + Specifies a comment to be associated with the newly created + database. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-D <replaceable class="parameter">tablespace</replaceable></option></term> + <term><option>--tablespace=<replaceable class="parameter">tablespace</replaceable></option></term> + <listitem> + <para> + Specifies the default tablespace for the database. (This name + is processed as a double-quoted identifier.) + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-e</option></term> + <term><option>--echo</option></term> + <listitem> + <para> + Echo the commands that <application>createdb</application> generates + and sends to the server. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-E <replaceable class="parameter">encoding</replaceable></option></term> + <term><option>--encoding=<replaceable class="parameter">encoding</replaceable></option></term> + <listitem> + <para> + Specifies the character encoding scheme to be used in this + database. The character sets supported by the + <productname>PostgreSQL</productname> server are described in + <xref linkend="multibyte-charset-supported"/>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-l <replaceable class="parameter">locale</replaceable></option></term> + <term><option>--locale=<replaceable class="parameter">locale</replaceable></option></term> + <listitem> + <para> + Specifies the locale to be used in this database. This is equivalent + to specifying both <option>--lc-collate</option> and <option>--lc-ctype</option>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--lc-collate=<replaceable class="parameter">locale</replaceable></option></term> + <listitem> + <para> + Specifies the LC_COLLATE setting to be used in this database. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--lc-ctype=<replaceable class="parameter">locale</replaceable></option></term> + <listitem> + <para> + Specifies the LC_CTYPE setting to be used in this database. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-O <replaceable class="parameter">owner</replaceable></option></term> + <term><option>--owner=<replaceable class="parameter">owner</replaceable></option></term> + <listitem> + <para> + Specifies the database user who will own the new database. + (This name is processed as a double-quoted identifier.) + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-T <replaceable class="parameter">template</replaceable></option></term> + <term><option>--template=<replaceable class="parameter">template</replaceable></option></term> + <listitem> + <para> + Specifies the template database from which to build this + database. (This name is processed as a double-quoted identifier.) + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-V</option></term> + <term><option>--version</option></term> + <listitem> + <para> + Print the <application>createdb</application> version and exit. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-?</option></term> + <term><option>--help</option></term> + <listitem> + <para> + Show help about <application>createdb</application> command line + arguments, and exit. + </para> + </listitem> + </varlistentry> + + </variablelist> + </para> + + <para> + The options <option>-D</option>, <option>-l</option>, <option>-E</option>, + <option>-O</option>, and + <option>-T</option> correspond to options of the underlying + SQL command <xref linkend="sql-createdatabase"/>; see there for more information + about them. + </para> + + <para> + <application>createdb</application> also accepts the following + command-line arguments for connection parameters: + + <variablelist> + <varlistentry> + <term><option>-h <replaceable class="parameter">host</replaceable></option></term> + <term><option>--host=<replaceable class="parameter">host</replaceable></option></term> + <listitem> + <para> + 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. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-p <replaceable class="parameter">port</replaceable></option></term> + <term><option>--port=<replaceable class="parameter">port</replaceable></option></term> + <listitem> + <para> + Specifies the TCP port or the local Unix domain socket file + extension on which the server is listening for connections. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-U <replaceable class="parameter">username</replaceable></option></term> + <term><option>--username=<replaceable class="parameter">username</replaceable></option></term> + <listitem> + <para> + User name to connect as. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-w</option></term> + <term><option>--no-password</option></term> + <listitem> + <para> + Never issue a password prompt. If the server requires + password authentication and a password is not available by + other means such as a <filename>.pgpass</filename> file, the + connection attempt will fail. This option can be useful in + batch jobs and scripts where no user is present to enter a + password. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>-W</option></term> + <term><option>--password</option></term> + <listitem> + <para> + Force <application>createdb</application> to prompt for a + password before connecting to a database. + </para> + + <para> + This option is never essential, since + <application>createdb</application> will automatically prompt + for a password if the server demands password authentication. + However, <application>createdb</application> will waste a + connection attempt finding out that the server wants a password. + In some cases it is worth typing <option>-W</option> to avoid the extra + connection attempt. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--maintenance-db=<replaceable class="parameter">dbname</replaceable></option></term> + <listitem> + <para> + Specifies the name of the database to connect to when creating the + new database. If not specified, the <literal>postgres</literal> + database will be used; if that does not exist (or if it is the name + of the new database being created), <literal>template1</literal> will + be used. + This can be a <link linkend="libpq-connstring">connection + string</link>. If so, connection string parameters will override any + conflicting command line options. + </para> + </listitem> + </varlistentry> + </variablelist> + </para> + + </refsect1> + + + <refsect1> + <title>Environment</title> + + <variablelist> + <varlistentry> + <term><envar>PGDATABASE</envar></term> + <listitem> + <para> + If set, the name of the database to create, unless overridden on + the command line. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><envar>PGHOST</envar></term> + <term><envar>PGPORT</envar></term> + <term><envar>PGUSER</envar></term> + + <listitem> + <para> + Default connection parameters. <envar>PGUSER</envar> also + determines the name of the database to create, if it is not + specified on the command line or by <envar>PGDATABASE</envar>. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><envar>PG_COLOR</envar></term> + <listitem> + <para> + Specifies whether to use color in diagnostic messages. Possible values + are <literal>always</literal>, <literal>auto</literal> and + <literal>never</literal>. + </para> + </listitem> + </varlistentry> + </variablelist> + + <para> + This utility, like most other <productname>PostgreSQL</productname> utilities, + also uses the environment variables supported by <application>libpq</application> + (see <xref linkend="libpq-envars"/>). + </para> + + </refsect1> + + + <refsect1> + <title>Diagnostics</title> + + <para> + In case of difficulty, see <xref linkend="sql-createdatabase"/> + and <xref linkend="app-psql"/> 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 <application>libpq</application> front-end + library will apply. + </para> + + </refsect1> + + + <refsect1> + <title>Examples</title> + + <para> + To create the database <literal>demo</literal> using the default + database server: +<screen> +<prompt>$ </prompt><userinput>createdb demo</userinput> +</screen> + </para> + + <para> + To create the database <literal>demo</literal> using the + server on host <literal>eden</literal>, port 5000, using the + <literal>template0</literal> template database, here is the + command-line command and the underlying SQL command: +<screen> +<prompt>$ </prompt><userinput>createdb -p 5000 -h eden -T template0 -e demo</userinput> +<computeroutput>CREATE DATABASE demo TEMPLATE template0;</computeroutput> +</screen></para> + </refsect1> + + + <refsect1> + <title>See Also</title> + + <simplelist type="inline"> + <member><xref linkend="app-dropdb"/></member> + <member><xref linkend="sql-createdatabase"/></member> + </simplelist> + </refsect1> + +</refentry> |