SPAN
CLASS="APPLICATION"
>libpq</SPAN
>-based client application, not
     just <SPAN
CLASS="APPLICATION"
>psql</SPAN
>.) Note that this won't work for
     parameters that are fixed when the server is started or that must be
     specified in <TT
CLASS="FILENAME"
>postgresql.conf</TT
>.
    </P
><P
>     Furthermore, it is possible to assign a set of parameter settings to
     a user or a database.  Whenever a session is started, the default
     settings for the user and database involved are loaded.  The