Suppose R is:
A B C
1 2 3
4 5 6
2 3 1
Suppose S is:
B C D
2 3 8
4 5 6
2 3 1
Can someone help me answer these two question please?
Can we perform cross product on R and S? Why?
Based on R and S in the previous question, show the result of R natural join S.