The column function will calculate its result based on the individual groups created by the GROUP BY specification. In other word, if 500 groups were created by a GROUP BY clause, there would be 500 individual results_one for each group.
If you want the user to be able to add items, use a ComboBox. If the form has a large number of input fields, and space is at a premium, use a ComboBox. If the list being manipulated contains only a few items and those items will not change, use a ListBox. If the list […]