I have “Harvest_Schedule” table like this, i create a "PRE-HARVEST DATE" as a virtual column and i want to get date, when i harvest that product last. And fill “PRE-HARVEST DATE” with that previous date. KEY………PRODUCT………HARVEST DATE……_…_PRE-HARVEST D...

Hello, I have two tables as Workers and Area How can i show only employed workers in dropdown menu at Area Form. Workers Table Name_______WorkType_________Uneployed Jack L.------------Forester-----------------------N Nick B.-------------Planter------...