多项选择题
Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）
A. Backup of offline tablespaces.
B. Backup of read-only tablespaces.
C. Backup of system-critical tablespaces.
D. Backup of online， locally managed tablespaces.
E. Backup of read/write dictionary-managed tablespaces.
相关考题
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单项选择题
Inoneofyouronlinetransactionprocessing（OLTP）applications，mostusersfrequentlymodifythevalues，includingthekeyvalues，oftheapplicationtables.Someusersgenerateapplicationreportsbyusingmultipleapplicationtables.Whatisthebesttablestructurethatyoucanusetogainoptimalperformance？（）
A. Heap table
B. Object table
C. External table
D. Clustered table
E. Global temporary table
F. Index-organized table （IOT） -
单项选择题
Youhavebeenassignedtomanageasetofdatabases.ThepreviousDBAdidnotleaveyounotesregardingthestructureofeachofthedatabases.Whileanalyzinganinstance，younoticethatthesystemidentifier（SID）fortheinstanceissetto’+ASM’.Whatisthepurposeofthisinstance？（）
A. This instance is being used to manage the operating system files.
B. This instance is being used to manage the files of other databases.
C. This instance is being used to manage the instances of other databases.
D. This instance is being used to manage the background processes of other instances. -
单项选择题
InanOracle10gdatabase，thein-memorystatisticsaregatheredatregularintervalsandusedtoperformgrowth-trendanalysisandcapacityplanningofthedatabase.Whichcomponentstoresthesestatistics？（）
A. Recovery catalog
B. Oracle Enterprise Manager Repository
C. Automatic Workload Repository （AWR）
D. Oracle 10g Enterprise Manager Grid Control
E. Automatic Database Diagnostic Monitor （ADDM）
