UML use case diagram (extends)

Question

Discussing about the extends used in use case diagram, i am wondering that if edit and delete order can extends to view order. Because when the customer view the order he/she can choose to edit or delete it or not to do anything with it

Answer 1

All CRUD use cases are borderline (from my POV). You can go and <<extend>> the view (aka Read) use case with the remaining CUD pendants. However, what I often do in such cases is to place a Manage X use case and stereotype it with <<CRUD>>. Especially if you have a couple of X to be handled.