>>With one SSMS (no matter where it is installed) you can connect to every instance of SQL Server (if you have proper authentication of course).
>
>To be on the safe side, it's better to install the latest version of SSMS (SQL 2014). I am not 100% sure you will be able to connect to higher version of the Server using lower version of SSMS.
You can (tested with 2005 to 2008), but you can't use every new features.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.
