单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）ARestore and recover the datafile. BRestore and recover the tablespace. CRestore and recover the database. DRestore and recover the control file. ERestore and recover the parameter file.
单选题
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）
A
Restore and recover the datafile.
B
Restore and recover the tablespace.
C
Restore and recover the database.
D
Restore and recover the control file.
E
Restore and recover the parameter file.
参考解析
解析：
暂无解析
相关考题：
Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational?（）A. Mount the container database (CDB) and restore the control file from the control file auto backup.B. Recover and open the CDB in NORMAL mode.C. Mount the CDB and then recover and open the database, with the RESETLOGS option.D. Open all the pluggable databases.E. Recover each pluggable database.F. Start the database instance in the nomount stage and restore the control file from control file auto backup.
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（） A、 Restore and recover the datafile.B、 Restore and recover the tablespace.C、 Restore and recover the database.D、 Restore and recover the control file.E、 Restore and recover the parameter file.
A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message . Which is the recommended sequence of operations you need to perform for the query successfully?（）A、Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace. B、Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online. C、Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.D、Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.
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？（）A、SMON would automatically restore the lost file.B、You would need to restore the whole database from the last backup.C、You would need to restore the file from the last full database backup.D、You would need to use flashback technology to restore the lost redo log member.E、You would need to use Recovery Manager （RMAN） to restore the lost redo log member.F、You would need to restore the missing log file by copying one of the remaining files from the same group.
You want to perform in incomplete recovery of your database. You plan to use these commands to recover your database： SET UNTIL TIME = ’2000-12-09：11：44：00’； RESTORE DATABASE； RECOVER DATABASE； How should the commands be executed？ （）A、Only the SET command must be within a RUN block.B、All commands should be executed at the RMAN prompt.C、All three commands must be within a single RUN block.D、Only the RESTORE and RECOVER commands must be within a single RUN block.
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）A、Restore and recover the datafile. B、Restore and recover the tablespace. C、Restore and recover the database. D、Restore and recover the control file. E、Restore and recover the parameter file.
You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A、Restore all the data files and open the databaseB、Create the data file and performtablespacerecoveryC、No need to restore any file， just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery
Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（） A、 shutdown restore datafile 4； recover datafile 4； alter database open；B、 Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；C、 Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；D、 Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；E、 Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command： RMANBACKUP DATABASE； At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）A、 Start the database in the MOUNT stage.B、 Back up the control file to trace.C、 Set the DBIDD、 Issue the RECOVER DATABASE command.
You lost the PRODSTD tablespace， which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace？（）A、restore the tablespace from the backup; there is no need to apply the redo information B、restore the full database to recover the data up to the point when you performed the backup C、restore the tablespace from the backup， and then perform a recovery using the backup control fileD、restore the tablespace from the backup， and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied
You lost a data file that belongs to an index tablespace in your database， which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem？ （）A、 Restore the lost data file from the backup， and then flash back the database.B、 Restore the data file pertaining to index tablespace， and then recover the tablespace.C、 Restore all the data files， and then perform an incomplete recovery to get the tablespace back.D、 Restore all the data files， and then perform an incomplete recovery using the backup control file.E、 Drop and re-create the index tablespace， and then re-create all of the indexes in that tablespace.
You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）A、 restore the tablespace from the backup； there is no need to apply the redo informationB、 restore the full database to recover the data up to the point when you performed the backupC、 restore the tablespace from the backup and then perform a recovery using the backup control fileD、 restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied
Your developers have asked you to restore the development database， which is in NOARCHIVELOG mode， back to last Tuesday the 20th. Your last backup is from Monday the 19th. What do you do？（）A、 Restore the 19ths backup， restore all archived redo logs， recover the database to the 20th，and open the database.B、 Tell them that their request cannot be met with the current backup strategy.C、 Restore the 19ths backup， apply the online redo logs，and open the database.D、 Switch the database into ARCHIVELOG mode，restore the 19th’s backup，restore all archived redo logs，and recover the database to the 20th.E、 Use the recover database command to roll back the database from today to the 19th of the month.
Your ARCHIVELOG-mode database has lost three datafiles and shut down. One is assigned to the SYSTEM tablespace and two are assigned to the USERS tablespace. You can choose from the following steps to recover your database： a. Restore the three database datafiles that were lost. b. Issue the Startup Mount command to mount the database. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using the recover database command. f. Recover the datafiles with the recover datafile command. g. Take the datafiles offline. Which is the correct order of these steps in this case？（）A、a， b， e， cB、b， e， dC、a， b， d， cD、b， g， c， fE、a， b， d， f
Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation？（）A、Shut down the database, restore the two data files and then start up the database. B、Take the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online. C、Shut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open. D、Take the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.
单选题Two data files have been deleted at the operating system level by accident. Your database is running in ARCHIVELOG mode and online backups are taken nightly. One of the data files that has been deleted belongs to the USERS tablespace on the other belongs to the SYSTEM tablespace. How can you recover from this situation？（）AShut down the database, restore the two data files and then start up the database. BTake the system and users tablespace offline, restore the two data files, recover the two datafiles, and then bring the SYSTEM and USERS tablespaces online. CShut down the database, restore the two data files, start up the database in MOUNT mode, recover the two data files, and then alter the database open. DTake the SYSTEM and USERS tablespaces offline, recover the two datafiles and then bring the SYSTEM and USERS tablespaces online.
单选题You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command： RMANBACKUP DATABASE； At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）A Start the database in the MOUNT stage.B Back up the control file to trace.C Set the DBIDD Issue the RECOVER DATABASE command.
单选题You want to perform in incomplete recovery of your database. You plan to use these commands to recover your database： SET UNTIL TIME = ’2000-12-09：11：44：00’； RESTORE DATABASE； RECOVER DATABASE； How should the commands be executed？ （）AOnly the SET command must be within a RUN block.BAll commands should be executed at the RMAN prompt.CAll three commands must be within a single RUN block.DOnly the RESTORE and RECOVER commands must be within a single RUN block.
单选题A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message . Which is the recommended sequence of operations you need to perform for the query successfully?（）ADrop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace. BTake the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online. CRestart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.DPut the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.
单选题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？（）ASMON would automatically restore the lost file.BYou would need to restore the whole database from the last backup.CYou would need to restore the file from the last full database backup.DYou would need to use flashback technology to restore the lost redo log member.EYou would need to use Recovery Manager （RMAN） to restore the lost redo log member.FYou would need to restore the missing log file by copying one of the remaining files from the same group.
单选题You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）ARestore all the data files and open the databaseBCreate the data file and perform tablespace recoveryCNo need to restore any file， just recover the databaseDRestore only the system data file and recover the databaseERestore only lost date file and performtablespacerecovery
单选题Your developers have asked you to restore the development database， which is in NOARCHIVELOG mode， back to last Tuesday the 20th. Your last backup is from Monday the 19th. What do you do？（）A Restore the 19ths backup， restore all archived redo logs， recover the database to the 20th，and open the database.B Tell them that their request cannot be met with the current backup strategy.C Restore the 19ths backup， apply the online redo logs，and open the database.D Switch the database into ARCHIVELOG mode，restore the 19th’s backup，restore all archived redo logs，and recover the database to the 20th.E Use the recover database command to roll back the database from today to the 19th of the month.
单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）ARestore and recover the datafile. BRestore and recover the tablespace. CRestore and recover the database. DRestore and recover the control file. ERestore and recover the parameter file.
单选题Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）A shutdown restore datafile 4； recover datafile 4； alter database open；B Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；C Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；D Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；E Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；
单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（）A Restore and recover the datafile.B Restore and recover the tablespace.C Restore and recover the database.D Restore and recover the control file.E Restore and recover the parameter file.
单选题You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）A restore the tablespace from the backup； there is no need to apply the redo informationB restore the full database to recover the data up to the point when you performed the backupC restore the tablespace from the backup and then perform a recovery using the backup control fileD restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied
单选题You have lost datafiles 1 and 3 from your database，and the database has crashed. In what order should you perform the following steps to recover your database？（） 1. Take the datafiles that were lost offline. 2. startup mount the database 3. Issue the alter database open command. 4. Restore the datafiles that were lost 5. Recover the datafiles with the recover datafile command. 6. Bring the datafiles back online. 7. Recover the database with the recover database command.A 2，1，3，4，5，6B 2，4，5，3C 4，7，3D 2，4，7，3E 2，7，3
单选题Your ARCHIVELOG-mode database has lost three datafiles and shut down. One is assigned to the SYSTEM tablespace and two are assigned to the USERS tablespace. You can choose from the following steps to recover your database： a. Restore the three database datafiles that were lost. b. Issue the Startup Mount command to mount the database. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using the recover database command. f. Recover the datafiles with the recover datafile command. g. Take the datafiles offline. Which is the correct order of these steps in this case？（）Aa， b， e， cBb， e， dCa， b， d， cDb， g， c， fEa， b， d， f