CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="RULES-SELECT"
>38.2.1. How <TT
CLASS="COMMAND"
>SELECT</TT
> Rules Work</A
></H2
><P
>    Rules <TT
CLASS="LITERAL"
>ON SELECT</TT
> are applied to all queries as the last step, even
    if the command given is an <TT
CLASS="COMMAND"
>INSERT</TT
>,
    <TT
CLASS="COMMAND"
>UPDATE</TT
> or <TT
CLASS="COMMAND"
>DELETE</TT
>. And they
    have different semantics from rules on the other command types in that they modify the
    query tree in place instead of creating 