diff options
Diffstat (limited to '')
| -rw-r--r-- | doc/src/sgml/html/app-createdb.html | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/doc/src/sgml/html/app-createdb.html b/doc/src/sgml/html/app-createdb.html new file mode 100644 index 0000000..d9a9f6e --- /dev/null +++ b/doc/src/sgml/html/app-createdb.html @@ -0,0 +1,141 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>createdb</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="app-clusterdb.html" title="clusterdb" /><link rel="next" href="app-createuser.html" title="createuser" /></head><body id="docContent" class="container-fluid col-10"><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center"><span xmlns="http://www.w3.org/1999/xhtml" class="application">createdb</span></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="app-clusterdb.html" title="clusterdb">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="reference-client.html" title="PostgreSQL Client Applications">Up</a></td><th width="60%" align="center">PostgreSQL Client Applications</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="app-createuser.html" title="createuser">Next</a></td></tr></table><hr></hr></div><div class="refentry" id="APP-CREATEDB"><div class="titlepage"></div><a id="id-1.9.4.4.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle"><span class="application">createdb</span></span></h2><p>createdb — create a new <span class="productname">PostgreSQL</span> database</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p id="id-1.9.4.4.4.1"><code class="command">createdb</code> [<em class="replaceable"><code>connection-option</code></em>...] [<em class="replaceable"><code>option</code></em>...] [<em class="replaceable"><code>dbname</code></em> + [<em class="replaceable"><code>description</code></em>]]</p></div></div><div class="refsect1" id="R1-APP-CREATEDB-1"><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 <code class="option">-O</code> + 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 class="link" href="sql-createdatabase.html" title="CREATE DATABASE"><code class="command">CREATE DATABASE</code></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" id="id-1.9.4.4.6"><h2>Options</h2><p> + <span class="application">createdb</span> accepts the following command-line arguments: + + </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>dbname</code></em></span></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><span class="term"><em class="replaceable"><code>description</code></em></span></dt><dd><p> + Specifies a comment to be associated with the newly created + database. + </p></dd><dt><span class="term"><code class="option">-D <em class="replaceable"><code>tablespace</code></em></code><br /></span><span class="term"><code class="option">--tablespace=<em class="replaceable"><code>tablespace</code></em></code></span></dt><dd><p> + Specifies the default tablespace for the database. (This name + is processed as a double-quoted identifier.) + </p></dd><dt><span class="term"><code class="option">-e</code><br /></span><span class="term"><code class="option">--echo</code></span></dt><dd><p> + Echo the commands that <span class="application">createdb</span> generates + and sends to the server. + </p></dd><dt><span class="term"><code class="option">-E <em class="replaceable"><code>encoding</code></em></code><br /></span><span class="term"><code class="option">--encoding=<em class="replaceable"><code>encoding</code></em></code></span></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 class="xref" href="multibyte.html#MULTIBYTE-CHARSET-SUPPORTED" title="24.3.1. Supported Character Sets">Section 24.3.1</a>. + </p></dd><dt><span class="term"><code class="option">-l <em class="replaceable"><code>locale</code></em></code><br /></span><span class="term"><code class="option">--locale=<em class="replaceable"><code>locale</code></em></code></span></dt><dd><p> + Specifies the locale to be used in this database. This is equivalent + to specifying both <code class="option">--lc-collate</code> and <code class="option">--lc-ctype</code>. + </p></dd><dt><span class="term"><code class="option">--lc-collate=<em class="replaceable"><code>locale</code></em></code></span></dt><dd><p> + Specifies the LC_COLLATE setting to be used in this database. + </p></dd><dt><span class="term"><code class="option">--lc-ctype=<em class="replaceable"><code>locale</code></em></code></span></dt><dd><p> + Specifies the LC_CTYPE setting to be used in this database. + </p></dd><dt><span class="term"><code class="option">-O <em class="replaceable"><code>owner</code></em></code><br /></span><span class="term"><code class="option">--owner=<em class="replaceable"><code>owner</code></em></code></span></dt><dd><p> + Specifies the database user who will own the new database. + (This name is processed as a double-quoted identifier.) + </p></dd><dt><span class="term"><code class="option">-T <em class="replaceable"><code>template</code></em></code><br /></span><span class="term"><code class="option">--template=<em class="replaceable"><code>template</code></em></code></span></dt><dd><p> + Specifies the template database from which to build this + database. (This name is processed as a double-quoted identifier.) + </p></dd><dt><span class="term"><code class="option">-V</code><br /></span><span class="term"><code class="option">--version</code></span></dt><dd><p> + Print the <span class="application">createdb</span> version and exit. + </p></dd><dt><span class="term"><code class="option">-?</code><br /></span><span class="term"><code class="option">--help</code></span></dt><dd><p> + Show help about <span class="application">createdb</span> command line + arguments, and exit. + </p></dd></dl></div><p> + </p><p> + The options <code class="option">-D</code>, <code class="option">-l</code>, <code class="option">-E</code>, + <code class="option">-O</code>, and + <code class="option">-T</code> correspond to options of the underlying + SQL command <a class="link" href="sql-createdatabase.html" title="CREATE DATABASE"><code class="command">CREATE DATABASE</code></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><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="option">-h <em class="replaceable"><code>host</code></em></code><br /></span><span class="term"><code class="option">--host=<em class="replaceable"><code>host</code></em></code></span></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><span class="term"><code class="option">-p <em class="replaceable"><code>port</code></em></code><br /></span><span class="term"><code class="option">--port=<em class="replaceable"><code>port</code></em></code></span></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><span class="term"><code class="option">-U <em class="replaceable"><code>username</code></em></code><br /></span><span class="term"><code class="option">--username=<em class="replaceable"><code>username</code></em></code></span></dt><dd><p> + User name to connect as. + </p></dd><dt><span class="term"><code class="option">-w</code><br /></span><span class="term"><code class="option">--no-password</code></span></dt><dd><p> + Never issue a password prompt. If the server requires + password authentication and a password is not available by + other means such as a <code class="filename">.pgpass</code> 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. + </p></dd><dt><span class="term"><code class="option">-W</code><br /></span><span class="term"><code class="option">--password</code></span></dt><dd><p> + Force <span class="application">createdb</span> to prompt for a + password before connecting to a database. + </p><p> + This option is never essential, since + <span class="application">createdb</span> will automatically prompt + for a password if the server demands password authentication. + However, <span class="application">createdb</span> will waste a + connection attempt finding out that the server wants a password. + In some cases it is worth typing <code class="option">-W</code> to avoid the extra + connection attempt. + </p></dd><dt><span class="term"><code class="option">--maintenance-db=<em class="replaceable"><code>dbname</code></em></code></span></dt><dd><p> + Specifies the name of the database to connect to when creating the + new database. If not specified, the <code class="literal">postgres</code> + database will be used; if that does not exist (or if it is the name + of the new database being created), <code class="literal">template1</code> will + be used. + This can be a <a class="link" href="libpq-connect.html#LIBPQ-CONNSTRING" title="34.1.1. Connection Strings">connection + string</a>. If so, connection string parameters will override any + conflicting command line options. + </p></dd></dl></div><p> + </p></div><div class="refsect1" id="id-1.9.4.4.7"><h2>Environment</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><code class="envar">PGDATABASE</code></span></dt><dd><p> + If set, the name of the database to create, unless overridden on + the command line. + </p></dd><dt><span class="term"><code class="envar">PGHOST</code><br /></span><span class="term"><code class="envar">PGPORT</code><br /></span><span class="term"><code class="envar">PGUSER</code></span></dt><dd><p> + Default connection parameters. <code class="envar">PGUSER</code> also + determines the name of the database to create, if it is not + specified on the command line or by <code class="envar">PGDATABASE</code>. + </p></dd><dt><span class="term"><code class="envar">PG_COLOR</code></span></dt><dd><p> + Specifies whether to use color in diagnostic messages. Possible values + are <code class="literal">always</code>, <code class="literal">auto</code> and + <code class="literal">never</code>. + </p></dd></dl></div><p> + This utility, like most other <span class="productname">PostgreSQL</span> utilities, + also uses the environment variables supported by <span class="application">libpq</span> + (see <a class="xref" href="libpq-envars.html" title="34.15. Environment Variables">Section 34.15</a>). + </p></div><div class="refsect1" id="id-1.9.4.4.8"><h2>Diagnostics</h2><p> + In case of difficulty, see <a class="xref" href="sql-createdatabase.html" title="CREATE DATABASE"><span class="refentrytitle">CREATE DATABASE</span></a> + and <a class="xref" href="app-psql.html" title="psql"><span class="refentrytitle"><span class="application">psql</span></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" id="id-1.9.4.4.9"><h2>Examples</h2><p> + To create the database <code class="literal">demo</code> using the default + database server: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createdb demo</code></strong> +</pre><p> + </p><p> + To create the database <code class="literal">demo</code> using the + server on host <code class="literal">eden</code>, port 5000, using the + <code class="literal">template0</code> template database, here is the + command-line command and the underlying SQL command: +</p><pre class="screen"> +<code class="prompt">$ </code><strong class="userinput"><code>createdb -p 5000 -h eden -T template0 -e demo</code></strong> +<code class="computeroutput">CREATE DATABASE demo TEMPLATE template0;</code> +</pre></div><div class="refsect1" id="id-1.9.4.4.10"><h2>See Also</h2><span class="simplelist"><a class="xref" href="app-dropdb.html" title="dropdb"><span class="refentrytitle"><span class="application">dropdb</span></span></a>, <a class="xref" href="sql-createdatabase.html" title="CREATE DATABASE"><span class="refentrytitle">CREATE DATABASE</span></a></span></div></div><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navfooter"><hr></hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="app-clusterdb.html" title="clusterdb">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="reference-client.html" title="PostgreSQL Client Applications">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="app-createuser.html" title="createuser">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span xmlns="http://www.w3.org/1999/xhtml" class="application">clusterdb</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 14.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> <span xmlns="http://www.w3.org/1999/xhtml" class="application">createuser</span></td></tr></table></div></body></html>
\ No newline at end of file |