<!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.100 2007/05/15 19:13:55 neilc Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/select.sgml,v 1.101 2007/06/08 20:26:18 tgl Exp $
PostgreSQL documentation
-->
to deliver the results of a query in any particular order unless
<literal>ORDER BY</> is used to constrain the order.
</para>
+
+ <para>
+ It is even possible for repeated executions of the same <literal>LIMIT</>
+ query to return different subsets of the rows of a table, if there
+ is not an <literal>ORDER BY</> to enforce selection of a deterministic
+ subset. Again, this is not a bug; determinism of the results is
+ simply not guaranteed in such a case.
+ </para>
</refsect2>
<refsect2 id="SQL-FOR-UPDATE-SHARE">