 in a row-level <TT
CLASS="LITERAL"
>BEFORE</TT
> trigger,
       because it hasn't happened yet.
      </P
></LI
><LI
><P
>       However, SQL commands executed in a row-level <TT
CLASS="LITERAL"
>BEFORE</TT
>
       trigger <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>will</I
></SPAN
> see the effects of data
       changes for rows previously processed in the same outer
       command.  This requires caution, since the ordering of these
       change events is not in general predictable; a SQL command th