e/unknown.pltcl</TT
>.  This module
        must be loaded
        into each database initially to support the autoloading mechanism.
       </P
><P
>        The tables <TT
CLASS="LITERAL"
>pltcl_modules</TT
> and <TT
CLASS="LITERAL"
>pltcl_modfuncs</TT
>
        must be readable by all, but it is wise to make them owned and
        writable only by the database administrator.  As a security
        precaution, PL/Tcl will ignore <TT
CLASS="LITERAL"
>pltcl_modules</TT
> (and thus,
        not attempt to loa