Because calculated columns are usually established inside the active desk that you are in, there is no ought to precede the column name with the table name. Go on and scroll down after which you can double-click [SalesQuantity]. You may as well scroll for the column name you wish, https://financefeeds.com/finra-fines-velox-clearing-1-3-million-over-aml-supervision-and-communication-failures/