Look at the following data for table R:
A B C1 1 2
1 1 2
1 1 3
Choose all correct answers
[A]
R is not a relation
[B]
R is a relation
[C]
R has no key
Answer: B
Look at the following data for table R:
1 1 2
1 1 2
1 1 3
Choose all correct answers
[A]
R is not a relation
[B]
R is a relation
[C]
R has no key
Answer: B