Determine SQL Server Version and SP level

I always forget this so just posting to remind myself later. :)

SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY ('productlevel'), SERVERPROPERTY ('edition')

Also the this command will get a the basics.

SELECT @@VERSION

Sources:
Q321185 HOW TO: Identify Your SQL Server Service Pack Version and Edition
SQL Server Service Packs and Versions