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单选题
You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources? ()
A

Shared pool 

B

Control file 

C

SGA 

D

PGA


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更多 “单选题You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources? ()A Shared pool B Control file C SGA D PGA” 相关考题
考题 You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? ()A、 Flashback logs are not archived.B、 Flashback logs are maintained in redo log files.C、 Flashback logs are maintained in the Flash Recovery Area.D、 Flashback logs are used to maintain Flashback Database related errors.E、 Flashback logs need to be cleared manually after you disable Flashback Database.

考题 You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?()A、BFILE B、REF column C、Object table D、Column object E、INSTEAD-OF trigger

考题 Archived redo logs can be copied to more than one destination by Oracle.()A、 TrueB、 False

考题 You can use Oracle Flashback to look at past activity in your database. What are two other characteristics of Oracle Flashback?()A、Oracle Flashback uses undo information to construct consistent data. B、You can use a cursor opened while using an Oracle Flashback image to perform DML once you deactivate Oracle Flashback in your session. C、You can only use Oracle Flashback view of the data if the required records are still in the online redo log files. D、Oracle Flashback lists the DML that was executed during the period you identify when initiating your session. 

考题 You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup?()A、 online redo log filesB、 alert log filesC、 control fileD、 datafiles associated with the SYSTEM tablespace

考题 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?()A、 multiplexed control filesB、 RMAN obsolete backupsC、 multiplexed online redo log filesD、 archived redo logs that have not been copied to tape

考题 In a situation where no multiplexing of redo logs takes place, what happens when Oracle cannot read data from the online redo log group for archiving?()A、Nothing happensB、Oracle will automatically switch redo logs when detected C、Oracle eventually won't allow new records to be added to the database D、The instance crashes

考题 You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()A、Database Datafiles B、Database Control Files C、Online redo logsD、Archived redo logs E、The database SPFILE F、None of the above, all these files are backed up. 

考题 What is the purpose of the recover command?() A、 Recover database datafiles from physical disk backup sets.B、 Recover required incremental backups from physical disk backup sets.C、 Recover required archived redo logs from physical disk backup sets.D、 Apply incremental backups to recover the database. E、 Apply archived redo logs to recover the database.

考题 When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()  A、 To indicate the location of the auxiliary-instance online redo logs.B、 To indicate the location of the target database datafiles.C、 To indicate the location of the auxiliary-instance control file and online redo logs.D、 To indicate the location of the auxiliary-instance database datafiles.E、 This is not a valid parameter when duplicating a database.

考题 You have lost all your online redo logs. As a result, your database has crashed. You have tried to restart the database and clear the online redo log files, but when you try to open the database you get the following error.   SQL startup ORACLE instance started.  Total System Global Area 167395328 bytes Fixed Size 1298612 bytes Variable Size 142610252 bytes Database Buffers 20971520 bytes Redo Buffers 2514944 bytes Database mounted.  ORA-00313: open failed for members of log group 2 of thread 1 ORA-00312: online log 2 thread 1: ,,/oracle01/oradata/orcl/redo02a.log ORA-27037: unable to obtain file status Linux Error: 2: No such file or directory Additional information: 3  ORA-00312: online log 2 thread 1: ,,/oracle01/oradata/orcl/redo02.log ORA-27037: unable to obtain file status Linux Error: 2: No such file or directory Additional information: 3  SQL alter database clear logfile group 2; alter database clear logfile group 2 * ERROR at line 1:  ORA-01624: log 2 needed for crash recovery of instance orcl (thread 1) ORA-00312: online log 2 thread 1: ,,/oracle01/oradata/orcl/redo02.log ORA-00312: online log 2 thread 1: ,,/oracle01/oradata/orcl/redo02a.log   What steps must you take to resolve the error?() a. Issue the recover database redo logs command.  b. Issue the Startup Mount command to mount the database.  c. Restore the last full database backup.  d. Perform a point-in-time recovery, applying all archived redo logs that are available.  e. Restore all archived redo logs generated during and after the last full database backup.  f. Open the database using the alter database open resetlogs command.  g. Issue the alter database open command.A、b, a, fB、e, b, a, fC、e, b, a, gD、b, a, gE、c, e, b, d, f

考题 You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option.  What is the effect of opening the database with the RESETLOGS option? ()A、This operation resets the SCN for the database.B、This operation creates a new incarnation of the database.C、This operation moves all the redo log files to a different location.D、This operation deletes the old redo log files and creates new redo log files.E、This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

考题 单选题When issuing the duplicate database command, you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter?()A  To indicate the location of the auxiliary-instance online redo logs.B  To indicate the location of the target database datafiles.C  To indicate the location of the auxiliary-instance control file and online redo logs.D  To indicate the location of the auxiliary-instance database datafiles.E  This is not a valid parameter when duplicating a database.

考题 单选题You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?()A renaming the control filesB dropping a user in your databaseC enabling or disabling redo log archivingD dropping a tablespace in your databaseE re-creating the control files, after you lost all the control files in your database

考题 单选题You are working as a DBA on Oracle Database 9i. You plan to upgrade your 9i database to Oracle 10g. To be familiar with the new database technology, you decide to install Oracle Database 10g on your workstation at home. You create a general purpose database.   After the installation, you make the following changes in your initialization parameter file:LOG_ARCHIVE_DEST_1=’LOCATION=USE_DB_RECOVERY_FILE_DEST’   DB_RECOVERY_FILE_DEST =    ’LOCATION=d:/product/10.1.0/flash_recovery_area’  DB_RECOVERY_FILE_DEST_SIZE=10g   Where are the archived redo logs stored for your database?()A  The archived redo logs are stored in an operating system-dependent location.B  The archived redo logs are stored in the location specified by LOG_ARCHIVE_DEST_1.C  The archived redo logs are stored in the location specified by DB_RECOVERY_FILE_DEST.D  The archived redo logs are stored in the locations specified by both LOG_ARCHIVE_DEST_1 and  DB_RECOVERY_FILE_DEST.

考题 多选题Media recovery can sometimes be stopped by the inability to read past a certain point in the redo stream. This is often referred to as “stuck recovery”. Before Oracle9i, the  Database Administrator had few options to deal with stuck recovery. If the corrupt redo could not be recovered from some other source, then all transactions that committed after the corrupt point in the redo steam would be lost.  Oracle9i changes that with the Trial Recovery feature. Trial Recover is used to test the application of the redo logs to the database.  What are three other characteristics of Trial Recovery()ASpeeds up subsequent media recover actions.BWrites any uncorrupted block to disk during the test recovery.CCan be invoked by adding the TEST option to any RECOVER command.DAllows the Administrator to determine how many blocks are affected by corruption.EMarks blocks as corrupt in memory, allowing the test recover to proceed to completion.

考题 单选题You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources? ()A Shared pool B Control file C SGA D PGA

考题 多选题You are working on an Oracle Database 10g database. You enabled the Flashback Database feature. Which two statements regarding flashback logs are true? ()AFlashback logs are not archived.BFlashback logs are maintained in redo log files.CFlashback logs are maintained in the Flash Recovery Area.DFlashback logs are used to maintain Flashback Database related errors.EFlashback logs need to be cleared manually after you disable Flashback Database.

考题 单选题Archived redo logs can be copied to more than one destination by Oracle.()A  TrueB  False

考题 单选题You are attempting to increase the checkpoint interval on your database. Each of the following choices will affect the duration and/or frequency of checkpoints, except one.  Which is it?()A Size of redo logs B Number of datafiles C LOG_CHECKPOINT_INTERVAL D LOG_CHECKPOINT_TIMEOUT

考题 单选题In a situation where no multiplexing of redo logs takes place, what happens when Oracle cannot read data from the online redo log group for archiving?()A Nothing happensB Oracle will automatically switch redo logs when detected C Oracle eventually won't allow new records to be added to the database D The instance crashes

考题 多选题You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?()ABFILEBREF columnCObject tableDColumn objectEINSTEAD-OF trigger

考题 单选题You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()A Database Datafiles B Database Control Files C Online redo logsD Archived redo logs E The database SPFILE F None of the above, all these files are backed up. 

考题 单选题You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?()A Writes buffers to disk B Writes current redo log number to datafile headers C Writes redo log information to disk D Reads information into memory for users

考题 多选题You are using Oracle Database 10g. You performed an incomplete recovery of your database and opened the database with the RESETLOGS option.  What is the effect of opening the database with the RESETLOGS option? ()AThis operation resets the SCN for the database.BThis operation creates a new incarnation of the database.CThis operation moves all the redo log files to a different location.DThis operation deletes the old redo log files and creates new redo log files.EThis operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

考题 单选题You are maintaining your database in Oracle10g. You have set the value of the STATISTICS_LEVEL initialization parameter to TYPICAL and the value of the FAST_START_MTTR_TARGET parameter to 900 seconds. To increase the performance of the database, you want to determine the optimal size of the online redo log files. Which tool enables you to determine the optimal size of the online redo log files?()A  Oracle Enterprise ManagerB  The V$LOG viewC  The V$LOGFILE viewD  The V$FLASHBACK_DATABASE_LOGS view

考题 单选题What will be the result of the following configuration?()   Log_archive_dest_1=location=c:/oracle/arch/mydb Log_archive_dest_2=location=z:/oracle/arch/mydbA  An error will occur during database startup because the second parameter is not valid.B  An error will occur during database startup since you are trying to create archived redo logs in two different locations.C  Archived redo logs will be created in two different locations by the ARCH process.D  Archived redo logs will be created in two different locations by the LGWR process.E  Neither parameter setting is valid, so the database will not start up.

考题 单选题You are using recovery Manager (RMAN) with a recovery catalog to backup up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. The database was open and transactions were recorded in the redo logs. Because of fire in the building you lost your servers having the production database and the recovery catalog database. The archive log files generated after the last backup are intact on one of the remote locations. While performing a disaster recovery of the production database what is the next step that you must perform after restoring the data files and applying archived redo logs?()A Open the database in NORMAL modeB Open the database in read-only modeC Open the database in RESTRICTED modeD Open the database with the RESETLOGS option