In database design what do n:m and 1:n mean?
Does it have anything to do with keys or relationships?
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In database design what do n:m and 1:n mean?
Does it have anything to do with keys or relationships?
m:nis used to denote a many-to-many relationship (mobjects on the other side related tonon the other) while1:nrefers to a one-to-many relationship (1object on the other side related tonon the other).