混凝土坝上游水位变化区材料要满足的主要性能是()。
A.抗冻性
B.抗渗性
C.抗侵蚀性
D.抗冲耐磨性和抗风化性
第1题
A.recoverycatalog
B.OracleEnterpriseManagerRepository
C.AutomaticWorkloadRepository(AWR)
D.Oracle10gEnterpriseManagerGridControl
E.AutomaticDatabaseDiagnosticMonitor(ADDM)
第2题
A.MAXSETSIZETO2
B.DEVICETYPEDISKPARALLELISM2
C.RETENTIONPOLICYTOREDUNDANCY2
D.DATAFILEBACKUPCOPIESFORDEVICETYPEDISKTO2
第3题
A.function
B.package
C.procedure
D.databasetrigger
E.anonymousPL/SQLblock
第4题
A. It bypasses the OS file system cache.
B. A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.
C. It uses the operating system kernel NFS layer for user tasks and network communication modules.
D. File systems need not be mounted by the kernel NFS system when being served through Direct NFS.
E. Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS driver.
第5题
A. The optimizer adds the new plan to the plan history.
B. The optimizer selects the new plan for the execution of the SQL statement.
C. The optimizer adds the new plan to the SQL plan baseline as an accepted plan.
D. The optimizer adds the new plan to the SQL plan baseline but not in the ENABLED state.
E. The optimizer costs each of the accepted plans in the SQL plan baseline and picks the one with the lowest cost.
第6题
A.YoucanuseRMANstoredscripts.
B.Recoveryisfasterifdataisstoredincataloginadditiontothecontrolfile.
C.YoucanstorebackupInformationofallregistereddatabasesinoneplace.
D.Databasebackupsareautomaticallydeletedwhentheyareolderthanthespecifiedtimeperiod.
第7题
A.java.lang.StackOverflowError
B.java.lang.IllegalStateException
C.java.lang.ExceptionInInitializerError
D.java.lang.ArrayIndexOutOfBoundsException
第8题
A.becauseofredodatafromredologfile
B.becauseofdatafromdatabasebuffercache
C.becauseofdatafromatemporarytablespace
D.becauseofundodatafromtheundotablespace
第9题
ALGWRInput/output(I/O)fellsduetopermanentmediafailurethathasresultedInthelossofredologfileandtheLWGRterminatescausingtheinstancetocrash.Thestepstorecoverfromthelossofacurrentredologgroupmemberintherandomorderareasfollow.
1)Restorethecorruptedredologgroup.
2)Restorefromawholedatabasebackup.
3)Performincompleterecovery.
4)Relocatebyrenamingthememberofthedamagedonlineredologgrouptoanewlocation.
5)OpenthedatabasewiththeRESETLOGSoption.
6)Restartthedatabaseinstance.
7)Issueacheckpointandclearthelog.
Identifytheoptionwiththecorrectsequentialstepstoaccomplishthetaskefficiently().
第10题
A. Only a single partitioning key column can be specified.
B. All DML statements must use partition-extended syntax.
C. The same physical attributes must be specified for each partition.
D. Unique local indexes cannot be created on a system-partitioned table.
E. Traditional partition pruning and partitionwise joins are not supported on these tables.
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!