Given: Which two statements are true?()
A:The output could be 8-1 7-2 8-2 7-1
B:The output could be 7-1 7-2 8-1 6-1
C:The output could be 8-1 7-1 7-2 8-2
D:The output could be 8-1 8-2 7-1 7-2
出自:Oracle认证