So you are worried that a user will be deleted and his key will still
be linked to the book? You can't rely on the database to do that work
for you. You can do this two ways, worry about it, and when you
delete a user, make sure you delete it's key from every book. Or
don't worry about it. If y
Will,
Thanks for the hint.
When i use the User key (a String) as the reference from the Book to the
User object, that would mean that the referential integrity is not enforced
by the database. I understand that it would work, but it feels kind of
strange.
Is there a way to maintain the referenti
You want to store the Key of the User not the actual User. If you
store the User you are creating an owned relationship. This means
that the user can only be owned by one book. What you want is an
unowned relationship, which means storing the keys. Then your query
stays the same except you will