AN
CLASS="QUOTE"
>"owned by"</SPAN
>
     the column, so that it will be dropped if the column or table is dropped.
    </P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>        Because <TT
CLASS="TYPE"
>smallserial</TT
>, <TT
CLASS="TYPE"
>serial</TT
> and
        <TT
CLASS="TYPE"
>bigserial</TT
> are implemented using sequences, there may
        be "holes" or gaps in the sequence of values which appears in the
        column, even if no rows are ever deleted.  A value allocated
       