为了减少表中的链接记录和迁移记录,应当增大表的哪一个存储参数?()
A.PCTFREE
B.PCTUSED
C.MAXEXTENTS
D.PCTINCREASE
参考答案:A
Mary: I think you should call Tom and say sorry to him.
Ted: ! It was his fault.
A.No way
B.No possible
C.No chance
D.Not at all.
一块三角形地,底长24m,高18.5m.如果每平方米种瓜8棵,这块地共可种瓜多少棵?