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<refentry id="SQL-DROPNODE">
<indexterm zone="sql-dropnode">
<primary>DROP NODE</primary>
</indexterm>
<refmeta>
<refentrytitle>DROP NODE</refentrytitle>
<manvolnum>7</manvolnum>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>DROP NODE</refname>
<refpurpose>drop a cluster node</refpurpose>
</refnamediv>
<refsynopsisdiv>
<synopsis>
DROP NODE <replaceable class="parameter">nodename</replaceable>
</synopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>
<command>DROP NODE</command> is new SQL command specific
to <productname>Postgres-XL</productname> that deletes
cluster node information in catalog pgxc_node.
</para>
<para>
Node connection that has been deleted does not guarantee that connection
information cached in pooler is updated accordingly.
</para>
<para>
<command>DROP NODE</command> only runs on the local node where it is launched.
</para>
</refsect1>
<refsect1>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable class="parameter">nodename</replaceable></term>
<listitem>
<para>
The name of the selected cluster node.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Examples</title>
<para>
Drop a cluster node.
<programlisting>
DROP NODE cluster_node;
</programlisting>
</para>
</refsect1>
<refsect1>
<title>Compatibility</title>
<para>
<command>DROP NODE</command> does not conform to the <acronym>
SQL</acronym> standards, it is a Postgres-XL specific command.
</para>
</refsect1>
</refentry>
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