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

Execute the following to inspect the registry in order to find the appropriate key.

Declare @Path as varchar(100);
Set @Path = NULL

Exec master..xp_regread 'HKEY_LOCAL_MACHINE', 'SOFTWARE\Microsoft\Microsoft SQL Server\70\Tools\ClientSetup', 'SQLPath', @Path OUTPUT
Select @Path as [Sql Server 7.0 path] 

Set @Path = NULL
Exec master..xp_regread 'HKEY_LOCAL_MACHINE', 'SOFTWARE\Microsoft\Microsoft SQL Server\80\Tools\ClientSetup', 'SQLPath', @Path OUTPUT
Select @Path as [Sql Server 2000 path] 

Set @Path = NULL
Exec master..xp_regread 'HKEY_LOCAL_MACHINE', 'SOFTWARE\Microsoft\Microsoft SQL Server\90\Tools\ClientSetup', 'SQLPath', @Path OUTPUT
Select @Path as [Sql Server 2005 path]

Set @Path = NULL
Exec master..xp_regread 'HKEY_LOCAL_MACHINE', 'SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\ClientSetup', 'SQLPath', @Path OUTPUT
Select @Path as [Sql Server KATMAI path]