Código SQL [-] Select T1.Campo, T2.Campo from Tabla1 T1 join Tabla2 T2 on T1.Campo=T2.Campo where T1.Campo in (select distinct Campo from Tabla2)
Select T1.Campo, T2.Campo from Tabla1 T1 join Tabla2 T2 on T1.Campo=T2.Campo where T1.Campo in (select distinct Campo from Tabla2)