select name, compatibility_level , version_name =
CASE compatibility_level
WHEN 65 THEN 'SQL Server 6.5'
WHEN 70 THEN 'SQL Server 7.0'
WHEN 80 THEN 'SQL Server 2000'
WHEN 90 THEN 'SQL Server 2005'
WHEN 100 THEN 'SQL Server 2008/R2'
WHEN 110 THEN 'SQL Server 2012'
WHEN 120 THEN 'SQL Server 2014'
WHEN 130 THEN 'SQL Server 2016'
WHEN 140 THEN 'SQL Server 2017'
WHEN 150 THEN 'SQL Server 2019'
ELSE 'new unknown - '+CONVERT(varchar(10),compatibility_level)
END
from sys.databases
