In SQL the statement select * from R, S is equivalent to
A. Select * from R natural join S
B. Select * from R cross join S
C. Select * from R union join S
D. Select * from R inner join S
Answer:B
In SQL the statement select * from R, S is equivalent to
A. Select * from R natural join S B. Select * from R cross join S C. Select * from R union join S D. Select * from R inner join S