         <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> includes its own time zone database,
         which it requires for date and time operations.  This time zone
         database is in fact compatible with the <SPAN
CLASS="QUOTE"
>"zoneinfo"</SPAN
> time zone
         database provided by many operating systems such as FreeBSD,
         Linux, and Solaris, so it would be redundant to install it again.
         When this option is used, the system-supplied time zone database
         in <TT
CLASS="REPLAC