OCP认证052考题解析：1Z0-V8.02-第62题
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62. You are in the middle of a transaction updating a very important table. The machine on which a
database was running reboots because of power outage. This caused a database instance failure.
Which statement is true in this situation?
A.The online redo log files and archived redo log files are required to accomplish the recovery.会用到redo来前滚，undo来回滚
B.The uncommitted transaction will be committed at the next startup of the database instance. 没有提交的会回滚
C.The uncommitted transaction is rolled back automatically at the next opening of the database.
D.The DBA has to perform the recovery on the database to recover the uncommitted transaction. 由SMON执行实例恢复
Answer: C
