(Choose 1 answer)
When drawing an ERD:
(a)Entity sets and their attributes should reflect reality
(b)Redundancy is not important, so we can ignore it
c) Avoid introducing more elements into the design than is absolutely necessary (
d) Choosing the right relationships (
A. (a) and (b) and (c) are correct
B. (a) and (c) and (d) are correct
C. (a) and (b) and (d) are correct
D. (b) and (c) and (d) are correct
Q: 11