A.工艺较简单
B.集成度较低
C.存取速度低
D.功耗比较大
第1题
A.Usesundodataforrollforward
B.UsesFlashbackLogforrecovery
C.Usesonlineredologstorollback
D.Usesundodatatorollbackthetransaction
E.UsesRecoveryManager(RMAN)torollback
F.UsestheSystemMonitor(SMON)backgroundprocesstoperforminstancerecovery
第2题
A. The source database should be open
B. The target database should be in ARCHIVELOG mode if it is open
C. RMAN should be connected to both the instances as SYSDBA
D. The target database backups should be copied to the source database backup directories
E. The password file must exist for the source database and have the same SYS user password as the target
第3题
A.YoumustensurethattheSALESdatabaseismountedoropen.
B.Youmustrestoreabackupcontrolfiletoperformablockmediarecovery.
C.Youmusttakethetools01.dbfdatafileofflinebeforeyoustartablockmediarecovery.
D.YoumustputthedatabaseinNOARCHIVELOGmodetoperformablockmediarecovery.
E.Youcanperformonlyacompletemediarecoveryofindividualblocks;point-in-timerecoveryofindividualdatablocksisnotsupported.
第4题
A. SQL Access Advisor recommendations are automatically implemented.
B. Individual SQL Access Advisor recommendations can be scheduled for implementation.
C. All SQL Access Advisor recommendations for a specific task must be implemented at the same time.
D. SQL Access Advisor recommendations are automatically scheduled for implementation during the maintenance window.
E. None of the above.
第5题
A.Byassigningprofilesfortheusers
B.ByimplementingFine-GrainedAuditing(FGA)
C.Bygrantingasecureapplicationroletotheusers
D.ByimplementingtheDatabaseResourceManagerplan
第6题
A. Binary data up to 4 gigabytes.
B. Character data up to 4 gigabytes.
C. Raw binary data of variable length up to 2 gigabytes.
D. Binary data stored in an external file, up to 4 gigabytes.
E. A hexadecimal string representing the unique address of a row in its table.
第8题
A. Create new indexes.
B. Modify existing indexes.
C. Implement partitioning on a nonpartitioned table.
D. Create materialized views.
E. All of the above
第9题
A. It cannot generate recommendations that support multiple workload queries.
B. It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.
C. It can recommend partitioning only on tables that have at least 10,000 rows.
D. It can recommend only B-tree indexes and not bitmap or function-based indexes
第10题
A.1
B.2
C.3
D.4
E.1,2,and4
F.1,2,3,and4
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