ons
   are automatically loaded whenever one of their functions is called.
   Therefore, an explicit <TT
CLASS="COMMAND"
>LOAD</TT
> is usually only needed to
   load a library that modifies the server's behavior through <SPAN
CLASS="QUOTE"
>"hooks"</SPAN
>
   rather than providing a set of functions.
  </P
><P
>   The file name is specified in the same way as for shared library
   names in <A
HREF="sql-createfunction.html"
>CREATE FUNCTION</A
>; in particular, one
   can rely on a search path and automatic