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单选题
In your database, you discovered that a tempfile in a locally managed temporary tablespace has been deleted at the operating system level. How would you recover the tablespace?()
A
flash back the database
B
perform point-in-time recovery
C
perform a full database recovery
D
drop and re-create the tablespace
E
use Recovery Manager (RMAN) to recover the database
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考题
单选题You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()A
The time when the last flashback operation in your database was performed.B
The time when the first flashback operation in your database was performed.C
A list of flashback operations performed in your database using SCN and time.D
The approximate time and the lowest system change number (SCN) to which you can flash back your database.
考题
单选题What is the proper procedure to recover a lost tempfile?()A
Restore the backup copy of the tempfile from the backup media. B
Re-create the tempfile with the create tempfile command. C
Copy an existing tempfile from another database. D
Re-create the tempfile with the create tablespace command. E
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考题
单选题In your database, you discovered that a tempfile in a locally managed temporary tablespace has been deleted at the operating system level. How would you recover the tablespace?()A
flash back the databaseB
perform point-in-time recoveryC
perform a full database recoveryD
drop and re-create the tablespaceE
use Recovery Manager (RMAN) to recover the database
考题
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by using the RMAN utilityB
by using the export/import utilityC
by using the ALTER DATABASE commandD
by enabling the change tracking feature
考题
单选题The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?()A
Allow the database to continue running, drop the TEMP tablespace, and then re-create it with new tempfilesB
Shut down the database, restore and recover the tempfile from backup, and then open the database with RESETLOGSC
Allow the database to continue running, take the TEMP tablespace offline, drop the missing tempfile, and then create a new tempfileD
Allow the database to continue running, add a new tempfile to TEMP tablespace with a new name, and drop the tempfile that has been corrupted.
考题
单选题You have lost all your database control files. To recover them, you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery?()A
You will need to open the database with the resetlogs command.B
All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C
You will use the resetlogs version of the create controlfile command.D
You will use the noresetlogs version of the create controlfile command.E
You will use the trace file to create a backup control file, and then you will recover the database with the recover database using backup controlfile command
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多选题You work as a database administrator for Supportcenter.cn. You want to administer your database servers, which are running on different host machines, using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective?()AApplication Server ControlBOracle Management ServiceCOracle Enterprise Manager RepositoryDOracle Enterprise Manager Database Control
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单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?()A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace,it must be in backup modeD
To back up a tablespace,it must first be taken offline
考题
单选题You executed the following query in your database: FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()A
the time when the last flashback operation in your database was performedB
the time when the first flashback operation in your database was performedC
a list of flashback operations performed in your database using SCN and timeD
the approximate time and the lowest system change number (SCN) to which you can flash back your database
考题
多选题You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.()AReregistering the target database in recovery catalogBTransporting the new tablespaces to the recovery catalog databaseCSyncronizing the recovery catalog with the target database control fileDPerforming a fresh backup of the target database to include the new data files in the catalog database
考题
单选题Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()A
DROP TABLESPACE temp1;B
DROP TABLESPACE temp1 INCLUDING CONTENTS;C
DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;D
DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
考题
单选题What is the proper procedure to recover a lost tempfile?()A
Restore the backup copy of the tempfile from the backup media.B
Re-create the tempfile with the create tempfile command.C
Copy an existing tempfile from another database.D
Re-create the tempfile with the create tablespace command.E
Re-create the tempfile with the alter tablespace command.
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