SQL Server: How to SELECT the installation path?

Question

i know there is a variable, function, or stored procedure that you can use to find the path that SQL Server is installed to:

e.g.:

c:\\Program Files\         


        

Answer 1

what happens when you run this

select filename from sysaltfiles
where name = db_name()

change db_name() to 'master' if you want to see where the master database lives