NW 7.31 Java installation on mssql

Hi,

I am planning to install NW 7.3 EHP1 on MSSQL 2012 and MS Windows 2012 R2.

1.scs and PAS in separate host A

2.db on separate host B

DB s/w is installed on DB host.

Query

1.Do we go for standard or distributed installation.

2.If distributed,For DB installation do we need to log in to DB server and run the installer or can we run the installer from APP server and give DB server details remotely?

because we have restriction in getting DB server access.Only we have DB instance name with user name and password.

In installation guide it says log in to DB server and run installer to install DB.Can you let me know will installing DB from app server with out logging to DB server will work?

Thanks in advance.