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RaghuramKrishnan
relation parts(pid, pname, color) catalog(sid, pid, cost) find the sids of suppliers who supply every red part. can someone give the TRC and DRC expression for this?
relationparts(pid, pname, color)catalog(sid, pid, cost)find the sids of suppliers who supply every red part.can someone give the TRC and DRC expression for this?
1 answer
2
Fundamentals of Database Systems, Ramez Elmasri
In an ER diagram, whether we want to underline all candidate keys or only the primary key?
In an ER diagram, whether we want to underline all candidate keys or only the primary key?