A
HREF="event-trigger-definition.html"
>Overview of Event Trigger Behavior</A
></DT
><DT
>37.2. <A
HREF="event-trigger-matrix.html"
>Event Trigger Firing Matrix</A
></DT
><DT
>37.3. <A
HREF="event-trigger-interface.html"
>Writing Event Trigger Functions in C</A
></DT
><DT
>37.4. <A
HREF="event-trigger-example.html"
>A Complete Event Trigger Example</A
></DT
></DL
></DD
><DT
>38. <A
HREF="rules.html"
>The Rule System</A
></DT
><DD
><DL
><DT
>38.1. <A
HREF="querytree.html"
>The Query Tree</A
></DT
><DT
>38.2.