RAC isnt a between data centre technology, nor is it high availability on its own - what you may think about is RAC in the datacentre AND standby across data centres On 08/01/2008, Bob Robert <mssql_2002@xxxxxxxxx> wrote: > > Gurus, > > I need your opinion regarding setting up High Availability solution > between Primary and Secondary Data Centers. Is it better to go with > Oracle RAC or Oracle Standby database. >