CMS专题
单选题On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s b
题目
Flashback Drop
Flashback Table
Flashback Database
Flashback Version Query
Flashback Transaction Query
相似问题和答案
第1题：
The living are more important to us than the dead.(英译汉)
第2题：
Will you please grant us a special allowance on annual total purchases above US$20,000? This would enable us to maintain the low selling prices that will be an important reason for the growth of our business.(英译中)
第3题：
Money is less important than health to us．（改为同义句）
Health is__________ important __________ money to us．
43. more,than
第4题：
听力原文：In the United States, the Federal Gold Reserve acts as the central bank.
(2)
A．In the US, the Federal Gold Reserve acts as the central bank.
B．In the US, the central bank is the commercial bank.
C．In the US, there is no central bank.
D．In the US, the central bank is not so important.
解析：单句意思为“在美国，联邦黄金储备局发挥着中央银行的作用。”
第5题：
________ he discovered in his experiment is very important to us.
A、That
B、When
C、What
D、Where
第6题：
A. dropped to
B. dropped over
C. dropped out
D. dropped in
第7题：
A.way
B.balance
C.blank
第8题：
In the spoken English of some areas in the US, the "r" sounds at the end of the
words______.
A. are dropped
B. drop
C. are being dropped
D. have dropped
第9题：
An unexpected gust ______ on us last night.
A、decreased
B、descended
C、declined
D、dropped
第10题：
The passage mainly tells us that______.
A. money is the most important thing
B. there is something more important than money
C. we should look into their eyes while talking to people
D. the more money you have, the less happy you would be
这是文章的主题。作者的中心观点在第二、三段中说得很清楚；世上有比钱更重要、更使人幸福的东西。