[QUOTE][i]Originally posted by jmodic [/i]
[B]No, one database can never be mounted by more than one instance! .....
[/B][/QUOTE]

I should clarify this first statement in my reply: this was ment as a direct reply to mary's question, not as a follow up of the marist89 reply. While I was writing my reply two other replies occured which I was not aware of.

I would not agree 100% with arshiah's answer - SID and database_name are two totaly different things. I would more agree with marist89 statment that they *tipically* have the same name in non-PS configuration. But even there they can be named totally differentlly....