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

  • A、 A user table was lost at the specified time.
  • B、 A redo log file was lost at the specified time.
  • C、 The backup control file is on a faster disk than the current one.
  • D、 The current control file has a different path compared with the intended time of recovery.
  • E、 The current control file does not match the physical structure of the database at the intended time of recovery.

参考答案

更多 “ You performed an incomplete recovery on your Oracle Database 10g database using the following command:   SQL RECOVER DATABASE  2 UNTIL TIME ’2004-08-05:12:10:03’ 3 USING BACKUP CONTROLFILE;  In which situation would the above recovery be required?()A、 A user table was lost at the specified time.B、 A redo log file was lost at the specified time.C、 The backup control file is on a faster disk than the current one.D、 The current control file has a different path compared with the intended time of recovery.E、 The current control file does not match the physical structure of the database at the intended time of recovery.” 相关考题
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考题 Which two statements are correct regarding the Flashback Versions Query feature?()A、 You can use this feature to identify the committed versions of the rows, but not the uncommitted versions.B、 You can use this feature to identify the versions of V$ views.C、 You can use this feature to identify the inserts, deletes, and updates performed on a particular row but not the data definition language (DDL) operations performed on the table.D、 You can use this feature for a table only if row movement is enabled for the table.E、 You can use this feature to identify the versions of external and fixed tables.

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考题 多选题You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()ACorrupted blocks, if any, are repaired.BChecks are performed for physical corruptions.CChecks are performed for logical corruptions.DChecks are performed to confirm whether all database files exist in correct locationsEBackup sets containing both data files and archive logs are created.

考题 单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually.  Which action should you take to enable archiving at instance startup?()A AB BC CD D

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.

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考题 单选题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

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考题 多选题You are managing an Oracle Database 11g database with the following backup strategy:1) On Sunday, an incremental level 0 tape backup is performed.2) Monday through Saturday, a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed()AThe backup performed in step 1 backs up all blocks that have ever been in use in the database.BThe backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.CThe backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.DThe backup performed in step 2 backs up all blocks that have changed since the most recent incrementalbackup at level 1

考题 单选题What happens when you run the SQL Tuning Advisor with limited scope?()A  Access path analysis is not performed for SQL statements.B  SQL structure analysis is not performed for SQL statements.C  SQL Profile recommendations are not generated for SQL statements.D  Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor.

考题 单选题You are installing Oracle Database 11g on your server. During the installation Oracle UniversalInstaller (OUI) prompts you to enter the path of the inventory directory and also prompts you to specify anoperating system group name.  Which statement is true in this case()A The ORACLE_BASE parameter is not set.B The installation is being performed by the root user.C The operating system group that will be specified should have root user as its member.D The installation is being performed without the Create Starter Database option selected.E The operating system group that will be specified must have permission to write to the inventorydirectory.

考题 单选题You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands:   CONFIGURE DEFAULT DEVICE TYPE TO sbt;   CONFIGURE BACKUP OPTIMIZATION ON;   CONFIGURE RETENTION POLICY TO REDUNDANCY 3;   From Monday to Saturday, you performed the following actions:   Day                         Action  Monday                BACKUP DATABASE  Tuesday                BACKUP DATABASE  Wednesday              BACKUP DATABASE  Thursday               BACKUP DATABASE  Friday                 BACKUP DATABASE  Saturday               BACKUP DATABASE  How many times will the backup of the USERS tablespace be performed?()A  The backup will not be performed at all.B  three timesC  four timesD  six times