For which of these relationships does an efficient relational implementation of relationship AB require posting a foreign key? (in other words, for which relationship(s) would you always post a foreign key instead of making a separate table)
A) JK only
B) JK and PQ only
C) PQ only
D) YZ only
E) JK, PQ, and YZ

Question

For which of these relationships does an efficient relational implementation of relationship AB require posting a foreign key? (in other words, for which relationship(s) would you always post a foreign key instead of making a separate table) 
A) JK only 
B) JK and PQ only 
C) PQ only 
D) YZ only 
E) JK, PQ, and YZ

Quizplus · Accepted Answer

The Answer of For which of these relationships does an efficient relational implementation of relationship AB require posting a foreign key? (in other words, for which relationship(s) would you always post a foreign key instead of making a separate table) 
A) JK only 
B) JK and PQ only 
C) PQ only 
D) YZ only 
E) JK, PQ, and YZ

For Which of These Relationships Does an Efficient Relational Implementation