PROCEDURE passwort_aendern IS
un VARCHAR2(80) := get_application_property(username);
pw VARCHAR2(80) := get_application_property(password);
cn VARCHAR2(80) := get_application_property(connect_string);
begin
forms_ddl('alter user '||un||' password expire');
LOGOUT;
:global.logon := 'J';
:global.un := un;
:global.pw := pw||'@'||cn;
LOGON (un,pw||'@'||cn);
end;