Question
for the foreign key in a one-to-many relation, i know there would be FK(foreign key) on the many side, but the FK will only be
for the foreign key
in a one-to-many relation, i know there would be FK(foreign key) on the many side, but the FK will only be the PK(primary key) of the one side
or the PK and UK(Unique keys) of the one?
if one side have 1 PK and 4 UK, there will be 5 FK on the many side?
and what about many-to-many relation?
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Modern Systems Analysis And Design
Authors: Joe Valacich, Joey George
9th Global Edition
1292351624, 978-1292351629
