> Under Classic, for which lock management is different, the lock on
> the BLR will persist until the last process that used the SP has
> ended, regardless of whether the SP is still in use or not. AFAIR,
> deferral is thus not possible, hence the "Object in use" exception is
> almost certain to occur if you try to change the BLR while
> the system is busy.
>

I can vouch for this - you must disconnect all connections before changing a
procedure on CS.
Pretty fireworks if you don't (well, varies from "Object in use", to a
corrupted SP)

N.