source: content/databases/postgresql/postgresql-desc.xml@ 458342f

<sect2>
<title>Contents</title>

<para>The <application>Postgre<acronym>SQL</acronym></application> package contains
<command>clusterdb</command>,
<command>createdb</command>,
<command>createlang</command>,
<command>createuser</command>,
<command>dropdb</command>,
<command>droplang</command>,
<command>dropuser</command>,
<command>ecpg</command>,
<command>initdb</command>,
<command>initlocation</command>,
<command>ipcclean</command>,
<command>pg_config</command>,
<command>pg_controldata</command>,
<command>pg_ctl</command>,
<command>pg_dump</command>,
<command>pg_dumpall</command>,
<command>pg_encoding</command>,
<command>pg_id</command>,
<command>pg_resetxlog</command>,
<command>pg_restore</command>,
<command>postgres</command>,
<command>postmaster</command>,
<command>psql</command>,
<command>vacuumdb</command>,
<filename class="libraryfile">libecpg</filename>,
<filename class="libraryfile">libpq</filename> and various charset
modules.</para>

</sect2>

<sect2><title>Description</title>

<sect3><title>clusterdb</title>
<para><command>clusterdb</command> is a utility for reclustering tables
in a <application>Postgre<acronym>SQL</acronym></application>
database.</para></sect3>

<sect3><title>createdb</title>
<para><command>createdb</command> creates a new
<application>Postgre<acronym>SQL</acronym></application> database.</para></sect3>

<sect3><title>createlang</title>
<para><command>createlang</command> defines a new
<application>Postgre<acronym>SQL</acronym></application> procedural
language.</para></sect3>

<sect3><title>createuser</title>
<para><command>createuser</command> defines a new
<application>Postgre<acronym>SQL</acronym></application> user account.</para></sect3>

<sect3><title>dropdb</title>
<para><command>dropdb</command> removes a
<application>Postgre<acronym>SQL</acronym></application> database.</para></sect3>

<sect3><title>droplang</title>
<para><command>droplang</command> removes a
<application>Postgre<acronym>SQL</acronym></application> procedural
language.</para></sect3>

<sect3><title>dropuser</title>
<para><command>dropuser</command> removes a
<application>Postgre<acronym>SQL</acronym></application> user account.</para></sect3>

<sect3><title>ecpg</title>
<para><command>ecpg</command> is the embedded <acronym>SQL</acronym> preprocessor.</para></sect3>

<sect3><title>initdb</title>
<para><command>initdb</command> create a new database cluster.</para></sect3>

<sect3><title>initlocation</title>
<para><command>initlocation</command> creates a secondary database storage
area.</para></sect3>

<sect3><title>ipcclean</title>
<para><command>ipcclean</command> removes share memory and semaphores left over by an
aborted database server.</para></sect3>

<sect3><title>pg_config</title>
<para><command>pg_config</command> retrieves
<application>Postgre<acronym>SQL</acronym></application> version
information.</para></sect3>

<sect3><title>pg_controldata</title>
<para><command>pg_controldata</command> returns information initialized during
<command>initdb</command>, such as the catalog version and server
locale.</para></sect3> 

<sect3><title>pg_ctl</title>
<para><command>pg_ctl</command> controls stopping and starting the database
server.</para></sect3>

<sect3><title>pg_dump</title>
<para><command>pg_dump</command> dumps database data and metadata into scripts which are
used to recreate the database.</para></sect3>

<sect3><title>pg_dumpall</title>
<para><command>pg_dumpall</command> recursively calls
<command>pg_dump</command> for each database in a
cluster.</para></sect3>

<sect3><title>pg_resetxlog</title>
<para><command>pg_resetxlog</command> clears the write-ahead log and optionally resets some
fields in the <filename>pg_control</filename> file.</para></sect3>

<sect3><title>pg_restore</title>
<para><command>pg_restore</command> creates databases from dump files created by
<command>pg_dump</command>.</para></sect3>

<sect3><title>postgres</title>
<para><command>postgres</command> is a single user database server, generally used for
debugging.</para></sect3>

<sect3><title>postmaster</title>
<para><command>postmaster</command> is the multi-user database daemon.</para></sect3>

<sect3><title>psql</title>
<para><command>psql</command> is a console based database shell.</para></sect3>

<sect3><title>vacuumdb</title>
<para><command>vacuumdb</command> compacts databases and generates statistics for the
query analyzer.</para></sect3>

</sect2>