单选题Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？ （）ATransactions are rolled back using redo log files.BTransactions are rolled forward using redo log files.CTransactions are rolled back using redo log files and archived log files.DTransactions are rolled forward using redo log files and rolled back using redo log files.
单选题
Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which statement regarding the usage of redo log files during instance recovery is true？ （）
A
Transactions are rolled back using redo log files.
B
Transactions are rolled forward using redo log files.
C
Transactions are rolled back using redo log files and archived log files.
D
Transactions are rolled forward using redo log files and rolled back using redo log files.
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共用题干How to Get along Well with Your Boss1 Before you argue with your boss,check with the boss's secretary to determine his mood.If he ate nails for breakfast,it is not a good idea to ask him for something.Even without the boss's secretary,there are keys to timing don't approach the boss when he's on deadline,don't go in right before lunch,when he is apt to be distracted and rushed,don't go in just before or after he has taken a vacation.2 If you're mad,that will only make your boss mad.Calm down first.And don'tlet a particular con-cern open the floodgates for all your accumulated frustration.The boss will feel that you think negatively about the company and it is hopeless trying to change your mind.Then maybe he will dismiss you.3 Terrible disputes can result when neither the employer nor the employee knows what is the problem the other wants to discuss.Sometimes the fight will go away when the issues are made clear. The employee has to get his point across clearly in order to make the boss understand it.4 Your boss has enough on his mind without your adding more.If you can'tput forward an immediate solution,at least suggest how to approach the problem.People who frequently present problems without solu- tions to their bosses may soon find they can'tget past the secretary.5 To deal effectively with a boss,it's important to consider his goals and pressures.If you can put yourself in the position of being a partner to the boss,then he will be naturally more inclined to work with you to achieve your goals.Paragraph 5__________A:Keep Your Voice Low All the TimeB:Put Yourself in the Boss's PositionC:Propose Your SolutionD:Don't Go In When You Are AngryE:Make the Issue ClearF:Never Give In
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