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You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files, created in an earlier incarnation of the database,is true?()
- A、 The archived redo log files will be overwritten.
- B、 The archived redo log files are deleted automatically.
- C、 The archived redo log files should be moved to some other location.
- D、 The archived redo log files are still maintained because the file names are unique.
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更多 “ You performed an incomplete recovery and opened the database with the RESETLOGS option. The LOG_ARCHIVE_FORMAT parameter is set to ’ora_%t_%s_%r.log’. Which statement regarding the archived redo log files, created in an earlier incarnation of the database,is true?()A、 The archived redo log files will be overwritten.B、 The archived redo log files are deleted automatically.C、 The archived redo log files should be moved to some other location.D、 The archived redo log files are still maintained because the file names are unique.” 相关考题
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You are creating a job class. You want access to the detailed information for all the runs of each job in the class and every operation performed on every job in the class. Which setting will you use for the LOGGING_LEVEL parameter?()A、 LOGGING_OFFB、 LOGGING_RUNSC、 LOGGING_FULLD、 LOGGING_NULL
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You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. At present about 90 GB of data is stored in DB1. You made some rough calculations that every day about 1 GB of data is modified or inserted. You set the recovery model of DB1 to Simple. According to the company requirements, during business hours, data loss of more than 120 minutes worth of transactions is unacceptable. You have to choose a backup strategy which must comply with the following two requirements: Using as little disk space as possible Complying with the company requirements. So what action should you perform to achieve this goal?() A、A full database backup should be performed once daily. During business hour, a transaction log backup should be performed every two hours. B、A full database backup should be performed once daily C、A full database backup should be performed once daily. During business hours, a differential backup should be performed every two hours D、Perform a full database backup should be performed once every week. A differential backup should be performed once daily. During business hours a transaction log backup should be performed every two hours.
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You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. The latest differential backup is performed at 15:30, the full back up was performed at 13:30, and database snapshots were created at 16:30 and at 17:30. The backups and the database snapshots are stored on a different disk from the database files. At 17:05, the hard disk containing the database files fails at 17:02 hours. You must restore DB1 while reduce data loss to the least. So what action should you perform to achieve this goal?() A、You should restore the full backup B、You should restore the database snapshot from 16:30 hours. C、You should restore the database snapshot from 17:30 hours D、You should restore both the full backup and the differential backup.
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单选题You created a response file and want to check it before starting installations in silent mode. You started installation of Oracle software in interactive mode by providing the response file. In the middle of the installation, you realize that the behavior of the Oracle Universal Installer (OUI) is not consistent with the response file. What action would you take to detect the cause of this behavior?()A
Compare the contents of the install.log file with the response file.B
Refer to the contents of the oraInst.loc file to verify the steps performed by OUI.C
Compare the contents of the installActions.log file with that of the response file.D
Refer to the alert log file for information regarding the actions performed by OUI during installation.
考题
单选题You issued the following RMAN command: RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON; What is NOT an impact of using the above command?()A
When a successful backup is recorded in the RMAN repository, then a backup of the current control file is performed.B
When a structural change is made to the database, then a backup of the current control file is performed.C
When a successful backup is performed in the RMAN repository, then a backup of the spfile is performed.D
When a structural change is made to the database, then a backup of the alert log file will be performed.
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多选题You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()ACorrupted blocks, if any, are repaired.BChecks are performed for physical corruptions.CChecks are performed for logical corruptions.DChecks are performed to confirm whether all database files exist in correct locationsEBackup sets containing both data files and archive logs are created.
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单选题You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup?()A
AB
BC
CD
D
考题
单选题You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$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.
考题
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
考题
单选题Every Sunday, consistent backups are performed on your database. Because of a user error, you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday, which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available.What would you do in this scenario?()A
recovery cannot be performed because a backup was not performed after the last incomplete recoveryB
restore all the files from Sunday’s backup, and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayC
restore all the files from Sunday’s backup, and open the database to reset the database to the point in time when the backup was performed on SundayD
restore all the files from Sunday’s backup, and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday
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
考题
单选题You are creating a job class. You want access to the detailed information for all the runs of each job in the class and every operation performed on every job in the class. Which setting will you use for the LOGGING_LEVEL parameter?()A
LOGGING_OFFB
LOGGING_RUNSC
LOGGING_FULLD
LOGGING_NULL
考题
单选题You create a table in your database that contains 50,000 rows approximately. The queries performed on the table are complex and performed on the table frequently. Which advisor helps you achieve the best performance of database for queries by recommending the appropriate indexes?()A
SQL Access AdvisorB
Memory AdvisorC
SQL Tuning AdvisorD
Segment Advisor
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
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