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提问人：网友qsgamdc 发布时间：2022-01-07
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Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of t

he DATA1 tablespace. You place the DATA1 tablespace in backup mode by issuing the following statement:ALTER TABLESPACE data1 BEGIN BACKUP;While you are performing the backup, an error occurs that causes the instance to terminate abnormally. Which statement about the DATA1 tablespace is true？（）

A. The DATA1 tablespace is automatically taken out of backup mode when the instance aborts.

B. If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is opened.

C. If you restart the database, the DATA1 tablespace will be automatically taken out of backup mode when the database is mounted.

D. If you restart the database, the database will not be opened.

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更多“Your database is running in ARCHIVELOG mode. You are performing a user-managed backup of t”相关的问题
第1题
Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which co
ntains one redo member. When you attempt to start the database, you receive the following errors:Which statement should you use to resolve this issue？（）

A. ALTER DATABASE DROP LOGFILE GROUP 1;

B.ALTER DATABASE CLEAR LOGFILE GROUP 1;

C. ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;

D. ALTER DATABASE DROP LOGFILE MEMBER ‘D:\REDO01.LOG‘;

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第2题
You are managing a 24*7 database. The backup strategy for the database is to perform user-managed backups. Identify two prerequisites to perform the backups.（）

A. The database must be opened in restricted mode.

B. The database must be configured to run in ARCHIVELOG mode.

C. The tablespaces are required to be in backup mode before taking the backup.

D. The tablespaces are required to be in read-only mode before taking the backup

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第3题
Your production database is running in archivelog mode and you are using recovery manager
(RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted.The steps to recover the damaged data files are follows:1. Mount the database2. Open the database3. Recover the data file4. Restore the data file5. Make the data file offline6. Make the data file onlineWhich option identifies the correct sequence that you must use to recover the data files？（）

A.2，4，3

B.1，4，3，2

C.2，5，4，3，6

D.5，2，4，3，6

E.1，5，4，3，6，2

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第4题
WhichstatementistrueregardingtheretentionpolicyfortheincidentsaccumulatedintheAutomaticDiagnosticRepository(ADR)?()

A.TheincidentmetadataispurgedwhentheproblemisresolvedandtheDBAclosestheSR

B.TheincidentfilesanddumpsarenotretainedintheADRforthemanuallycreatedincidents

C.TheincidentfilesareretainedbuttheincidentmetadataispurgedwhentheproblemisresolvedandtheDBAclosestheSR

D.ThedefaultsettingisforoneyearafterwhichtheincidentmetadataispurgedfromtheADRandthefilesareretainedforonemonth

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第5题
Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?()

A. Segment Advisor

B. SQL Access Advisor

C. Undo Advisor

D. SQL Tuning Advisor

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第6题
When executing a SQL workload, you choose to generate execution plans only, without collecting execution statistics.Which two statements describe the implications of this?()

A. It produces less accurate results of the comparison analysis.

B. It automatically calls the SQL Tuning Advisor for recommendations.

C. It shortens the time of execution and reduces the impact on system resources.

D. Only the changes in the execution plan, and not performance regression, are detected.

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第7题
Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? ()

A. SELECT TO_CHAR(SYSDATE,‘yyyy‘) FROM dual;

B. SELECT TO_DATE(SYSDATE,‘yyyy‘) FROM dual;

C. SELECT DECODE(SUBSTR(SYSDATE, 8), ‘YYYY‘) FROM dual;

D. SELECT DECODE(SUBSTR(SYSDATE, 8), ‘year‘) FROM dual;

E. SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),‘yyyy‘) FROM dual;

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第8题
Youareworkinginanonlinetransactionprocessing（OLTP）environment.Yourealizethatthesalaryforanemployee，John，hasbeenaccidentallymodifiedintheEMPLOYEEStable.Twodaysago，thedatawasinthecorrectstate.Flashbacklogsgeneratedduringlasttwodaysareavailableintheflashrecoveryarea.Whichoptionwouldyouchoosetobringthedatatothecorrectstatewhileensuringthatnootherdatainthesametableisaffected？（）

A.performpoint-in-timerecovery

B.performaFlashbackTableoperationtorestorethetabletothestateitwasintwodaysago

C.performaFlashbackDatabaseoperationtorestorethedatabasetothestateitwasintwodaysago

D.performFlashbackVersionsQueryandFlashbackTransactionQuerytodetermineallthenecessaryundoSQLstatements，andthenusethemforrecovery

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第9题
When starting up your ASM instance, you receive the following error:What is the cause of the error?()

A. The ASM_DISKGROUPS parameter is configured for three disk groups: DGROUP1, DGROUP2, and DGROUP3. The underlying disks for these disk groups have apparently been lost.

B. The format of the ASM_DISKGROUPS parameter is incorrect. It should reference the disk group numbers, not the names of the disk groups

C. The ASM_POWER_LIMIT parameter is incorrectly set to 1. It should be set to the number of disk groups being attached to the ASM instance.

D. The ASM_DISKSTRING parameter is not set; therefore disk discovery is not possible.

E. There is insufficient information to solve this problem.

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