> LS> External applications use a "normal" users, our internal > LS> applications use SYSDBA. We want to even control our own > LS> applications from accessing the database > > Single shutdown mode allows only one connection (from SYSDBA or > OWNER), so if you are able to assure that your maintenance app will put the > DB in Single Shutdown mode and be the first one to connect to it just after > that, you would be safe.
Thanks for the reminder. There are other reasons why we want to have both instances installed. I am looking for *details about the gotchas* (I think I recall a post about an environment variables for the lock manager), not about the alternate approaches. Sean
