A
HREF="sql-createdomain.html"
>domains</A
> to be
        declared <TT
CLASS="LITERAL"
>NOT VALID</TT
> (&Aacute;lvaro Herrera)
       </P
><P
>        This option can be set at domain creation time, or via <TT
CLASS="COMMAND"
>ALTER
        DOMAIN</TT
> ... <TT
CLASS="LITERAL"
>ADD CONSTRAINT</TT
> ... <TT
CLASS="LITERAL"
>NOT
        VALID</TT
>. <TT
CLASS="COMMAND"
>ALTER DOMAIN</TT
> ... <TT
CLASS="LITERAL"
>VALIDATE
        CONSTRAINT</TT
> fully validates the constraint.
       </P
></LI
><LI
><P
>  