ay not be specified when the query
    includes <TT
CLASS="LITERAL"
>FOR UPDATE</TT
> or <TT
CLASS="LITERAL"
>FOR SHARE</TT
>.
   </P
><P
>    The <TT
CLASS="LITERAL"
>SCROLL</TT
> option should be specified when defining a
    cursor that will be used to fetch backwards.  This is required by
    the SQL standard.  However, for compatibility with earlier
    versions, <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> will allow
    backward fetches without <TT
CLASS="LITERAL"
>SCROLL</TT
>, if the cursor's quer