"REPLACEABLE"
><I
>p</I
></TT
>)</TT
> for specifying
     inexact numeric types.  Here, <TT
CLASS="REPLACEABLE"
><I
>p</I
></TT
> specifies
     the minimum acceptable precision in <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>binary</I
></SPAN
> digits.
     <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> accepts
     <TT
CLASS="TYPE"
>float(1)</TT
> to <TT
CLASS="TYPE"
>float(24)</TT
> as selecting the
     <TT
CLASS="TYPE"
>real</TT
> type, while
     <TT
CLASS="TYPE"
>float(25)</TT
> to <TT
CLASS="TYPE"
>