d</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>       If true, the index is currently valid for queries.  False means the
       index is possibly incomplete: it must still be modified by
       <TT
CLASS="COMMAND"
>INSERT</TT
>/<TT
CLASS="COMMAND"
>UPDATE</TT
> operations, but it cannot safely
       be used for queries. If it is unique, the uniqueness property is not
       guaranteed true either.
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>indcheckxmin</TT
></TD
><TD
>