Summary:
SQL Server Versions
This great chart is from http://sqlserverbuilds.blogspot.com/ (excessive advertising notwithstanding)
See also https://support.microsoft.com/en-us/kb/321185
You can determine what version SQL Server is running by using this Query:
Select @@version, @@MICROSOFTVERSION
@@Version is a system level variable that holds the current version. Likewise, @@MICROSOFTVERSION is a simple numeric that indicates the release and service level.
KBA-01268; Last updated: November 18, 2020 at 15:20 pm;