Nav2013 setting

We can install the Navision 2013 to 3-tires structure,
1. SQL Server, Save SQL DB only.
2. Nav Server, Install Nav 2013 Server. ( Server2, maybe a Hyper-V server, but on another physical Server)
3. RTC, Nav 2013 Client for end user.(On local user PC).
but on SQL server, must delegate to Nav Server.
http://msdn.microsoft.com/en-us/library/aa905162(v=sql.80).aspx