Select ParentHashId, max(DateOfAdd) from EgrulLists.[RafpServiceData].[ForeignCompanyRegistrationInfo] Where RegistrationNumber = '031040001799' group by ParentHashId
Select ParentHashId, max(DateOfAdd) from EgrulLists.[RafpServiceData].[ForeignCompanyRegistrationInfo] Where RegistrationNumber = '031040001799' group by ParentHashId
если 2 записи с одинаковым PArentHashId будет, group by создась 1 запись с большим DateOfAdd?
Select ParentHashId, max(DateOfAdd) from EgrulLists.[RafpServiceData].[ForeignCompanyRegistrationInfo] Where RegistrationNumber = '031040001799' group by ParentHashId