【简答题】A private group of scientists has announced plans to make an exact copy of a human being. An American member of the team says he and the others will soon begin a serious effort to clone humans. Panos...
【简答题】仔细的再读文章,回答最下面的问题,注意昨天的错误不要再犯!可回头再看昨天题目错在哪了! A Web of Lies The rapid growth of the Internet over recent years has caused problems for parents and teachers. Parents worry about which sites their childre...
【单选题】You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You expe...
A.
Only the data files.
B.
All of the data files and the control files.
C.
Only the data files belonging to the SYSTEM tablespace.
D.
Only the data files belonging to the SYSTEM tablespace and the control files.