It’s going to avoid me personally of removing a visitor, while you are happen to making their credit card suggestions on the databases
The brand new Dating screen is largely some highest, and you’ll observe that i’ve search bars more than right here for the the right hands front and also the really base of display
Once i do this, you’ll receive a different sort of windows you to definitely pops up, titled Change Matchmaking, and you may see and therefore fields which you dragged and you will dropped with the greatest from, while you need to make a distinction, for example, for folks who merely missed for which you fell it, you need the latest dropdown listing to help you hone your options here. Inside of it window you will find an excellent checkbox that is actually a tremendously extremely important ability inside Accessibility, and it’s so it Enforce Referential Integrity checkbox, here. When i switch it into, we’ll be implementing referential ethics, and you may just what this means is the fact it is going to perform the right position where this new databases doesn’t allows you to possess a charge card to have a guest that will not exist. Thus, put another way, if i disperse this taken care of, when we create a new guest, it rating assigned an ID matter. (more…)
