I'm having an issue creating a little practice ERD. I'm trying to do some more difficult stuff, and I'm not sure what the standard way to organize it is.
Basically, I don't know which of these is most correct. Also, I'm trying to add some data: "Last video chat; last voice chat; last im; last email".
has a better interaction word than
Should I use:
user->has->friend; friendship->is->gold(and how would these be connected, if so), or
Similarly, which do you prefer and why:
user->emails->user; email->was at->date, the way
goldcome out of
typein the drawing?
If I add a friend of
friendID, should I be sure that the
friendID is transferred as a derived key generated with the transaction? Why or why not? How does the process of friend adding work, programmatically? Is the key connected to the added user, and then transferred to the adding user, or is the key connected to the adding user and then sent to the added user, or does each user have a permanent key that is added to an array for each user at the same time when they add?