以下有关PMON的叙述正确的是()。A、将数据从联机日志文件写入数据文件B、监控oralce各个后台进程运行是否正常,并清理失败的进程C、垃圾收集器,清理任务失败的时候遗留下的资源,恢复实例D、将数据从联机日志文件写入数据文件
以下有关PMON的叙述正确的是()。
- A、将数据从联机日志文件写入数据文件
- B、监控oralce各个后台进程运行是否正常,并清理失败的进程
- C、垃圾收集器,清理任务失败的时候遗留下的资源,恢复实例
- D、将数据从联机日志文件写入数据文件
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以下有关“变态反应”的叙述中,最正确的是A.反应程度一般很轻B.与遗传因素也有关 以下有关“变态反应”的叙述中,最正确的是A.反应程度一般很轻B.与遗传因素也有关C.由抗原抗体的相互作用引起D.与药物的药理作用也有关联E.从接触抗原至出现症状,时间都很短
Notethefunctionalitiesofvariousbackgroundprocesses:1:Performrecoveryatinstancestartup.SMON2:Freetheresourcesusedbyauserprocesswhenitfails.PMON3:Cleanupthedatabasebuffercachewhenaprocessfails.PMON4:Dynamicallyregisterdatabaseserviceswithlisteners.PMON5:Monitorsessionsforidlesessiontimeout.PMON6:Cleanupunusedtemporarysegments.SMON7:Recordthecheckpointinformationincontrolfile.CKPTWhichoptionhasthecorrectfunctionalitieslistedforabackgroundprocess()A.Checkpoint(CKPT):1,2,5B.SystemMonitor(SMON):1,6C.ProcessMonitor(PMON):4,6,7D.DatabaseWriter(DBWR):1,3,4
以下对于PMON进程描述正确的是()。A、该进程在用户进程出现故障时执行进程恢复B、负责清理内存储区和释放该进程所使用的资源C、PMON还随机地检查调度进程(DISPATCHER)D、PMON随机地被唤醒E、其他进程发现需要时可以被调用
ORACLE数据库启动后,有哪五个必要的后台进程(mandatory background processes)()A、CKPT DBWn LGWR PMON SMONB、ARCn CKPT DBWn LGWR SMONC、CJQ0 CKPT DBWn LGWR SMOND、DBWn LGWR PMON RECO SMONE、CKPT DBWn LMON PMON SMON
单选题ORACLE数据库启动后,有哪五个必要的后台进程(mandatory background processes)()ACKPT DBWn LGWR PMON SMONBARCn CKPT DBWn LGWR SMONCCJQ0 CKPT DBWn LGWR SMONDDBWn LGWR PMON RECO SMONECKPT DBWn LMON PMON SMON
单选题Note the functionalities of various background processes: 1:Perform recovery at instance startup. SMON 2:Free the resources used by a user process when it fails. PMON 3:Cleanup the database buffer cache when a process fails. PMON 4:Dynamically register database services with listeners. PMON 5:Monitor sessions for idle session timeout. PMON 6:Cleanup unused temporary segments. SMON 7:Record the checkpoint information in control file. CKPT Which option has the correct functionalities listed for a background process()ACheckpoint (CKPT): 1, 2, 5BSystem Monitor (SMON): 1, 6CProcess Monitor (PMON): 4, 6, 7DDatabase Writer (DBWR): 1, 3, 4