zoukankan      html  css  js  c++  java
  • 053(二十七)

    131、Exhibit: 

    View the Exhibit to examine the parameter values. You are planning to set the value for the MEMORY_TARGET parameter of your database instance. 
    What value would you assign?
    A. 1440 MB
    B. 90 MB
    C. 362 MB
    D. 272 MB 
    Answer: C 
    View Code

    132、

    132.You are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, 
    but you have tape drives of only 10 GB each. Which method would accomplish the task quickly and efficiently?
    A. parallel image copy backup
    B. backup with MAXPIECESIZE configured for the channel
    C. parallel backup with MAXPIECESIZE configured for the channe
    D. intrafile parallel backup
    Answer: D
    View Code

    133、

    133.You performed the RMAN database backup with the KEEP option. Which two statements are true regarding this backup? (Choose two.)
    A. The backup contains data files, the server parameter file, and the control file even if the control file autobackup is disabled.
    B. The KEEP option overrides the configured retention policy.
    C. The backup contains only data files and archived redo log files.
    D. The KEEP option is an attribute of an individual backup piece.
    Answer: AB
    View Code

    134、

    134.You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. 
    You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command:
    RMAN>BACKUP
    SECTION SIZE 300M
    TABLESPACE users;
    What configuration should be effected to accomplish faster and optimized backups by using the above command?
    A. The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1.
    B. The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.
    C. The SBT channel must be configured, with the parallelism setting for the SBT device set to 3.
    D. The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB. 
    Answer: C
    View Code

    135、

    135.The ADMIN_EMP table has columns EMPNO, ENAME, DEPTNO, and SAL. It has a materialized view EMP_MV with a materialized log and an ENAME_IDX index on the ENAME column. 
    You need to perform an online table redefinition on the ADMIN_EMP table to move it from the TBS1 tablespace to the TBS2 tablespace in the same schema. 
    What action is required for the dependent objects when you perform online redefinition on the table?
    A. The materialized view should have a complete refresh performed after the online table redefinition is completed.
    B. The materialized view should have a fast refresh performed after the online table redefinition is completed.
    C. The materialized view, materialized log, and the index should be dropped and re-created after the online table redefinition is complete.
    D. The materialized view and materialized log should be dropped and all constraints disabled and re-created after the online table redefinition is complete.
    Answer: A
    View Code
  • 相关阅读:
    AlwaysOn配置时在连接步骤时报错(35250)
    MongoDB 在系统数据库local上无法创建用户的解决方法
    Elasticsearch 安装操作手册
    SQL Server 数据库调整表中列的顺序操作
    SQL Server 数据库部分常用语句小结(二)
    一个磁盘I/O故障导致的AlwaysOn FailOver 过程梳理和分析
    他人言,以为是,铭记于此。
    MongoDB 基本操作和聚合操作
    MySQL MHA FailOver后,原Master节点自动以Slave角色加入集群的研究与实现
    SQL Sever AlwaysOn的数据同步原理
  • 原文地址:https://www.cnblogs.com/huanhuanang/p/5403155.html
Copyright © 2011-2022 走看看