select a.*
from table_A a
inner join (
SELECT another_field, MAX(some_field) as MaxSomeField
FROM table_A
GROUP BY another_field
) am on a.another_field = am.another_field and a.some_field = am.MaxSomeField
select a.*
from table_A a
inner join (
SELECT another_field, MAX(some_field) as MaxSomeField
FROM table_A
GROUP BY another_field
) am on a.another_field = am.another_field and a.some_field = am.MaxSomeField
kan ikke indlæse oci8 -> Fatal fejl:Kald til udefineret funktion oci_connect()
com.mchange.v2.resourcepool.CannotAcquireResourceException:En ResourcePool kunne ikke erhverve en ressource fra sin primære fabrik eller kilde
Hvordan kan jeg finde en kolonne overalt i SQL Server?
Hvorfor bruge SELECT FOR UPDATE?