in a one to many (or 1-1) relationship, i want the many's ID to incorporate it's one's ID.
for example, if a have a Computer that has Ports. each port has a type, say "USB", "serial", etc. furthermore, say i can only have one of each type of port in a particular Computer.
many Computers can have a Ports of the same type. how do i represent this? what is the ID for Port? the type is enough to ID it within the Computer, but i don't know how to represent this in JP. i think i want the Port's ID to incorporate the Computer's ID.
in the database, i think this would mean that the table for Port has a foreign key pointing back to the the ID column of the table for Computer.
i hope this makes sense.
thanks!
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