log01.log
logORCL01.log
1_2.logALTER ROLLBACK SEGMENT
ora_1_asdf1234.log
第1题:
In your production database, you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation, you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members. Which two actions would you take to improve the performance of the database server?()
第2题:
If you create your database using Oracle Managed Files (OMF), what is true?()
第3题:
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains oneredo member. When you attempt to start the database, you receive the following errors:ORA-00313: open failed for members of log group 1 of thread 1ORA-00312: online log 1 thread 1: ‘D:\REDO01.LOG‘You discover that the online redo log file of the current redo group is corrupted.Which statement should you use to resolve this issue?()
A. ALTER DATABASE DROP LOGFILE GROUP 1;
B. ALTER DATABASE CLEAR LOGFILE GROUP 1;
C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;
D. ALTER DATABASE DROP LOGFILE MEMBER ‘D:\REDO01.LOG
第4题:
You have implemented OMF for redo log management. Which of the following choices reflects a log filename that might be employed when OMF is enabled?()
第5题:
Your database is in ARCHIVELOG mode. You have two online redo log groups,each of which contains one redo member. When you attempt to start the database, you receive the following errors:()
第6题:
Which two statements are true regarding the database in ARCHIVELOG mode?()
第7题:
You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files, created in an earlier incarnation of the database,is true?()
第8题:
Redo log files are multiplexed in your database. The disk in which you have one of the redo log members is highly fragmented. In the process of defragmentation you lose the redo log member, which is not a member of the current group. How would you recover from the loss of the redo log member?()
第9题:
You have configured the flash recovery area to store online redo log files, control files, archived redo logs and RMAN backups. Which of the following files can you successfully delete from the flash recovery area if you want to reclaim the space within it?()
第10题:
You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING; statement to enable the block change tracking feature. What information will be written in the change tracking file?()