OCP读书笔记(25) - 题库(ExamE)】的更多相关文章

401.Which of the following are correct about block media recovery? (Choose all that apply.)A. Physical and logical block corruption is recorded automatically in V$DATABASE_BLOCK_CORRUPTION.B. Logical corruptions are repairable by BMR.C. Physical corr…
Administer ASM disk groupsBack up the recovery catalogConfigure backup settingsConfigure, Monitor Flashback Database and Perform Flashback Database operationsCreate a job, program, and scheduleCreate a multisection,compressed and encrypted backupCrea…
501.Note the output of the following query;SQL> SELECT flashback_archieve_name, status FROM dba_flashback_archieve;FLASHBACK_ARCHIEVE_NAME STATUSFLA1You executed the following command to enable Flashback Data Archive on the EXCHANGB_PATE table:ALTER…
101.Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.) A. The user has dropped an important table that needs to be recovered. B. The database files are corrupted when the database is open. C. You are not ab…
200.Which operation requires that you create an auxiliary instance manually before executing the operation? (Choose all that apply.) A. Backup-based database duplication. B. Active database duplication. C. Tablespace point-in-time recovery. D. No ope…
327.You have a database with the following tablespaces: SYSTEM, SYSAUX, UNDO, USERS, TEMP.You want to"roll back" the data in the USERS tablespace to the way it looked yesterday. Whichtablespaces do you need to perform a point-in-time restore ope…
601.You need to perform a block media recovery on the tools01.dbf data file in the SALES database byusing Recovery Manager (RMAN).Which two are the prerequisites to perform this operation? (Choose two)A. You must configure block change tracking fileB…
程序的载入和运行(五)--<x86汇编语言:从实模式到保护模式>读书笔记25 前面几篇博文最终把代码分析完了.这篇就来说说代码的编译.运行和调试. 1.代码的编译及写入镜像文件 之前我们都是在命令行输入命令进行编译和写入.源文件少的时候还不认为麻烦,当源文件多了,就会认为特别麻烦.有没有简单的方法呢? 当然有,就是用make工具. 1.1.什么是make工具 make是一个命令工具,它解释Makefile中的指令.在Makefile文件里描写叙述了整个project全部文件的编译顺序.编译规则…
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SGA 1. 什么是LRULRU表示Least Recently Used,也就是指最近最少使用的buffer header链表LRU链表串联起来的buffer header都指向可用数据块 2. 什么是检查点队列就是将脏块按照修改的时间顺序排列 3. 什么是mmanMemory Manager (MMAN)内存管理进程 一:buffer cache: 1.作用:缓存最近使用过的数据块 2.管理方式:LRU和检查点队列 3.buffer的状态: 已连接:当前正将该块读入高速缓存或正在写入该块,其…