单项选择题In one of your online transaction processing (OLTP) applications, users are manipulating and querying a database table simultaneously. From the Segment Advisor, you find that one of the tables is highly fragmented and you want to shrink the table immediately without affecting the currently active queries. Which option would you use with the ALTER TABLE command to achieve this objective?()

A. REBUILD
B. CASCADE
C. TRUNCATE
D. ROW MOVEMENT
E. SHRINK SPACE COMPACT
F. SHRINK SPACE CASCADE


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1.多项选择题

You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP;  
How does RMAN find the control file autobackup?()

A. By using the trace file.
B. By using the alert log file.
C. By using the database ID
D. By using the server parameter file.
E. By using the V$CONTROLFILE view.
F. By using the autobackup format configuration setting.

3.多项选择题In your production database, you have multiple resource plan directives that refer to the customer group DB_GRP. Which two statements are correct? ()

A. The parallel degree limit for DB_GRP will be the minimum of all the incoming values.
B. The parallel degree limit for DB_GRP will be the maximum of all the incoming values.
C. The maximum estimated execution time for DB_GRP would be the most nonrestrictive of all incoming values.
D. If a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time, then that session would not execute if the active session pool for the new consumer group was full.
E. Is a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time, then that session would execute even if the active session pool for the new consumer group was full.

4.单项选择题Because of hardware failure, you decided to drop a redo log member from the database. Which condition should be met to drop a redo log file?()

A. The redo log file should belong to an active group.
B. The redo log file should belong to an inactive group.
C. The redo log file should belong to the current group.
D. The redo log file can be dropped only if all the transactions are stopped.
E. Before a redo log file is dropped, it should be deleted from the operating system (OS).

6.多项选择题Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager (RMAN) to perform backups. Which two backups would you be able to perform when the database is being accessed by users?()

A. Backup of offline tablespaces.
B. Backup of read-only tablespaces.
C. Backup of system-critical tablespaces.
D. Backup of online, locally managed tablespaces.
E. Backup of read/write dictionary-managed tablespaces.

8.单项选择题You have been assigned to manage a set of databases. The previous DBA did not leave you notes regarding the structure of each of the databases. While analyzing an instance, you notice that the system identifier (SID) for the instance is set to ’+ASM’. What is the purpose of this instance?()

A. This instance is being used to manage the operating system files.
B. This instance is being used to manage the files of other databases.
C. This instance is being used to manage the instances of other databases.
D. This instance is being used to manage the background processes of other instances.

9.单项选择题In an Oracle 10g database, the in-memory statistics are gathered at regular intervals and used to perform growth-trend analysis and capacity planning of the database. Which component stores these statistics?()

A. Recovery catalog
B. Oracle Enterprise Manager Repository
C. Automatic Workload Repository (AWR)
D. Oracle 10g Enterprise Manager Grid Control
E. Automatic Database Diagnostic Monitor (ADDM)

最新试题

You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup?()

题型:多项选择题

You are working on Oracle Database 10g, which is in ARCHIVELOG mode. All the archived log files are intact. In which scenario would performing a recovery require the opening of the database with the RESETLOGS option?()

题型:单项选择题

In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file: In what sequence would you use this process to perform the recovery?()

题型:单项选择题

You noticed that the index tablespace in your database requires a recovery. However, instead of performing a media recovery, you decided to re­create the indexes in a new tablespace. Which two options would you use to reduce the time it takes to re­create the indexes?()

题型:多项选择题

In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog and restored the control file by using the following command: RMAN> RESTORE CONTROLFILE; Which two operations do you need to perform after restoring the control file from backup?()

题型:多项选择题

You lost the index tablespace in your database. You are not able to use tablespace point­in­time recovery on the index tablespace. What could be the reason for this?()

题型:单项选择题

You performed an incomplete recovery on your Oracle Database 10g database using the following command: SQL> RECOVER DATABASE 2 UNTIL TIME ’2004­08­05:12:10:03’ 3 USING BACKUP CONTROLFILE; In which situation would the above recovery be required?()

题型:单项选择题

You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format?() 

题型:单项选择题

A data file became corrupted in your database due to bad sectors on the disk. Because of corruption, you lost all the important tables in that data file.Which method would you use for recovery?()

题型:单项选择题

In which case would you use the Flashback Database feature to perform a recovery?()

题型:单项选择题