he topic
    of the next section.</P
><P
>    Note that rules are evaluated first, rewriting the original query
    before it is planned and executed. Therefore, if a view has
    <TT
CLASS="LITERAL"
>INSTEAD OF</TT
> triggers as well as rules on <TT
CLASS="COMMAND"
>INSERT</TT
>,
    <TT
CLASS="COMMAND"
>UPDATE</TT
>, or <TT
CLASS="COMMAND"
>DELETE</TT
>, then the rules will be
    evaluated first, and depending on the result, the triggers may not be
    used at all.</P
><P
>    Automatic rewriting of an <