I am developing an app in which vehicles can be rented. For this I would like a restriction in the selection of days and times (only from Monday to Friday from 08:00 to 17:00 and Saturday from 08:00 to 12:00, no Sundays, no public holidays) The DATET...

I am new and excuse my limited english. I’m building an inventory management system for vehicles. There is an Inventory table “Bestand” with columns [Source],[Date-1.EK],[Date-2.EK],[Date-EK],[Source2][Date-1.VK],[Date-2.VK],[Date-VK], I have a filte...