I have the following query:
SELECT DISTINCT tblMaster.OperatingDay, tblMaster.[TO BA_REPORT], tblMaster.[From BA_REPORT], tblMaster.Hour_Ending, Sum(tblMaster.Import) AS SumOfImport, Sum(tblMaster.Export) AS SumOfExport, Sum(([Export]-[Import])) AS Net, Sum((IIf(IsNull([OffPeakHour]) And...