View the Exhibit and examine the properties of the TT tablespace. 
Using Database Control， you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5：00 p.m. every Friday. 
When you examine the space usage of the table after the completion of the job， you find that the table has not been shrunk. 
What could have been the reason for this？（）

单项选择题Youhavespecifiedthewarningandcriticalthresholdvaluesofanapplicationtablespacetobe60%and70%，respectively.Fromthetablespacespaceusagemetrics，youfindthattheactualspaceusagehasreachedthespecifiedwarningthresholdvalue，butnoalertshavebeengenerated.Whatcouldbethereasonforthis？（）

A.The EVENT parameter was not set.
B.The SQL_TRACE parameter is set to FALSE
C.The Enterprise Manager Grid Control is not used.
D.The STATISTICS_LEVEL parameter is set to BASIC
E.The TIMED_STATISTICS parameter is set to FALSE

单项选择题InanOracle10gdatabase，thein­memorystatisticsaregatheredatregularintervalsandusedtoperformgrowth­trendanalysisandcapacityplanningofthedatabase.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）

单项选择题WhichtypeofPL SQLconstructwouldyouusetoautomaticallycorrecttheerrorresultingfromastatementthatwassuspendedduetoaspace­relatedproblem？（）

A.function
B.package
C.procedure
D.database trigger
E.anonymous PL/SQL block

多项选择题In your production database， you have observed that the database server performance degrades whenever there is a switch between the log groups. On further investigation， you find that the database is running in ARCHIVELOG mode and the archived log files are being written to the same disk that is used to store the redo log members.  Which two actions would you take to improve the performance of the database server？（）

A.increase the size of the redo log buffer
B.increase the number of redo log groups
C.increase the number of log writer processes
D.increase the number of ARCn processes
E.change the appropriate LOG_ARCHIVE_DEST_n parameter to place the archived log files in a separate location

单项选择题Youfindthattheexecutiontimeofreportsinyourdatawarehouseapplicationissignificantlyhigh.You suspectthelackofindexestobethereasonforthedegradationinperformance.Whichadvisorycomponentwouldyoureferto，inordertodeterminetheappropriateindexes？（）

A.Memory Advisor
B.Segment Advisor
C.SQL Access Advisor
D.Automatic Workload Repository （AWR）
E.Automatic Database Diagnostic Monitor （ADDM）