What are the candidate keys of R?
A. AE and BE
B. AE, BE and DE
C. AEF, BEF and BCF
D. AEF, BEF and DEF
Answer:A
What are the candidate keys of R?
A. AE and BE B. AE, BE and DE C. AEF, BEF and BCF D. AEF, BEF and DEF