I see that Udemy course that accessed localhost:4000/books but not the localhosst:27017/example
and I accessed like
http://localhost:4000/books it says error
ReferenceError: exec is not defined.
FYI Example is a database and books collection is created in it. in mongodb compas, i am able to access example database and i see books collection in it. not syre why is this error comes. do you have any idea?