单项选择题
Your boss at Certkiller .com 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.
相关考题
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单项选择题
You work as a database administrator for Certkiller .com. You determine that archiving was not successful in one of thedestinators. You want to check the alert log file for more information on this. Which initialization parameter gives you the location of the alert log file？（）
A.USER_DUMP_DEST
B.CORE_DUMP_DEST
C.ALERT_LOG_DEST
D.ALERT_DUMP_DEST
E.TRACE_DUMP_DEST
F.BACKGROUND_DUMP_DEST -
单项选择题
You work as a database administrator for Certkiller .com. You want to create a new optimized database for your transactional production environment to be used by a financial application. While creating the database， you want the Oracle Software to take care of all basic settings to optimize the database performance. Which method would you use to achieve this objective？（）
A.A
B.B
C.C
D.D
E.E -
多项选择题
You work as a database administrator for Certkiller .com. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）
A.A backup of the target database when it is mounted
B.A backup of online redo log files when the database is open
C.A backup of only used data blocks in the file beingbeingbackup up
D.A backup of online， read/write data files when the database is open
E.A backup of only those data blocks that have changed since a previous backup
F.A backup of online， read/write data files when the database is in the NOMOUNT state.
