If RDBMS1, RDBMS2, RDBMS3 are attributes in a relation and S is another relation, which of the following is an incorrect
Posted: Thu Jul 14, 2022 8:53 am
a) foreign key(RDBMS1, RDBMS2)
b) foreign key(RDBMS1, RDBMS2) references S
c) primary key(RDBMS1, RDBMS2, RDBMS3)
d) primary key(RDBMS1)
b) foreign key(RDBMS1, RDBMS2) references S
c) primary key(RDBMS1, RDBMS2, RDBMS3)
d) primary key(RDBMS1)