Én vej
select t1.* from (select ForeignKeyId,AttributeName, max(Created) AS MaxCreated
from YourTable
group by ForeignKeyId,AttributeName) t2
join YourTable t1 on t2.ForeignKeyId = t1.ForeignKeyId
and t2.AttributeName = t1.AttributeName
and t2.MaxCreated = t1.Created
Se også Inkludering af en aggregeret kolonnes relaterede værdier for 5 forskellige måder at udføre denne form for forespørgsel på