<programlisting>

CREATE INDEX coord_idx ON measured (x, y, (z + t));

ALTER INDEX coord_idx ALTER COLUMN 3 SET STATISTICS 1000;

</programlisting>

</para>

</programlisting></para>

</refsect1>

<phrase><replaceable class="parameter">exclude_element</replaceable> in an <literal>EXCLUDE</literal> constraint is:</phrase>

{ <replaceable class="parameter">column_name</replaceable> | ( <replaceable class="parameter">expression</replaceable> ) } [ <replaceable class="parameter">opclass</replaceable> ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ]

</synopsis>

</refsynopsisdiv>

OR

...

)

</programlisting>

</para>

</programlisting></para>

</refsect2>

</refsect1>

<computeroutput>

pg_ctl: server is running (PID: 13718)

/usr/local/pgsql/bin/postgres "-D" "/usr/local/pgsql/data" "-p" "5433" "-B" "128"

</computeroutput>

</screen>

</computeroutput></screen>

The second line is the command that would be invoked in restart mode.

</para>

</refsect2>