Is DEFAULT = "y:\" in CONFIG.FPW (not included into project) not working for you?

>I have database(dbc)(f.e. x:\dbc\test.dbc).
>Dataenvironments for all forms in project have references on tables of this dbc.
>I want to define new path to dbc(f.e. y:\test.dbc) with help external configuration file.
>Can i do it without recompilling project?