<itemizedlist spacing="compact">

<listitem>

<simpara>complex queries</simpara>

<simpara><link linkend="sql">complex queries</link></simpara>

</listitem>

<listitem>

<simpara>foreign keys</simpara>

<simpara><link linkend="ddl-constraints-fk">foreign keys</link></simpara>

</listitem>

<listitem>

<simpara>triggers</simpara>

<simpara><link linkend="triggers">triggers</link></simpara>

</listitem>

<listitem>

<simpara>updatable views</simpara>

<simpara><link linkend="sql-createview-updatable-views">updatable views</link></simpara>

</listitem>

<listitem>

<simpara>transactional integrity</simpara>

<simpara><link linkend="transaction-iso">transactional integrity</link></simpara>

</listitem>

<listitem>

<simpara>multiversion concurrency control</simpara>

<simpara><link linkend="mvcc">multiversion concurrency control</link></simpara>

</listitem>

</itemizedlist>

<itemizedlist spacing="compact">

<listitem>

<simpara>data types</simpara>

<simpara><link linkend="datatype">data types</link></simpara>

</listitem>

<listitem>

<simpara>functions</simpara>

<simpara><link linkend="functions">functions</link></simpara>

</listitem>

<listitem>

<simpara>operators</simpara>

<simpara><link linkend="functions">operators</link></simpara>

</listitem>

<listitem>

<simpara>aggregate functions</simpara>

<simpara><link linkend="functions-aggregate">aggregate functions</link></simpara>

</listitem>

<listitem>

<simpara>index methods</simpara>

<simpara><link linkend="indexes">index methods</link></simpara>

</listitem>

<listitem>

<simpara>procedural languages</simpara>

<simpara><link linkend="server-programming">procedural languages</link></simpara>

</listitem>

</itemizedlist>

</para>