Código SQL [-] Select T.C1, T.C2, T.C3, T.C4, T.C5 From tabla T Inner Join (Select Max(C4) as C4 From Tabla Group By C1,C2,C3) as T1 On (T.C4=T1.C4)
Select T.C1, T.C2, T.C3, T.C4, T.C5 From tabla T Inner Join (Select Max(C4) as C4 From Tabla Group By C1,C2,C3) as T1 On (T.C4=T1.C4)