Axton is correct: If you are on an Oracle DB ( we have used dataguard) over to another server DB Level, and either had the application on the same server or another, in standby... Great for failover, but it takes up to an hour to ensure it is ready to go.
It really depends on your requirements:: Failover 4 hours, 6 hours, 1 day, or 2 $econd$.. -- Patrick Zandi _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org attend wwrug12 www.wwrug12.com ARSList: "Where the Answers Are"