易搜题 > 资格证大类 > 计算机编程 > 问题详情
问题详情

A media failure has occurred. This has resulted in all the members of the next hop log group being rendered inaccessible to the log writer process (LGWR) at a log switch. How does this failure affect the operational database?()

A、 The database re-created the missing redo log files automatically.

B、 The database continues to function normally with the existing files.

C、 The database allows only queries, no other statements are allowed.

D、 The database returns and error and the database instance shuts down.

E、 The user sessions that generate redo logs are terminated automatically.

未找到的试题在搜索页框底部可快速提交,在会员中心"提交的题"查看可解决状态。 收藏该题
查看答案

相关问题推荐

  • 以下程序不用第三个变量实现将两个数进行对调的操作,划线处应为()。 main() {int a,b; scanf(“%d%d”,&a,&b); cin>>a>>b; tout<<“a=”<<a<<“b=”<<b; a=a+b;b=a-b;a=______; cout<<“a=”<<a<<“b=”<<b<<end1; }

    A.a-Cb

    B.a-b

    C.b*a

    D.a/b

  • You are working as a Database Administrator. You erroneously dropped an important table named WAREHOUSE_DETAILS. The table resides in a non-SYSTEM tablespace.  The following dependent objects have been defined on the dropped table:       Due to limited space, some of the indexes and triggers have been removed from the Recycle Bin. You decide to recover the table by using Flashback Drop. You execute the following statement: SQL>FLASHBACK TABLE warehouse_details TO BEFORE DROP;   What will be the implication of executing this statement?()

    A、  Only the WAREHOUSE_DETAILS table is recovered, and none of the dependent objects are recovered.

    B、  The WAREHOUSE_DETAILS table is recovered along with the NOT NULL constraints, primary key constraint, and the referential integrity constraints.

    C、  The WAREHOUSE_DETAILS table is recovered along with all the dependent objects except the indexes and triggers previously removed from the Recycle Bin.

    D、  The WAREHOUSE_DETAILS table is recovered along with all the dependent objects except the referential integrity constraints and the indexes and triggers previously removed from the Recycle Bin.

  • On Monday, you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday, you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct?()

    A、 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.

    B、 You can restore the DEPT table by using the Oracle Flashback Drop feature, provided you use the RENAME TO clause.

    C、 You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.

    D、 You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.

  • 你所在的会议管理公司正在向新的领域发展。因此,它呼应某个政府代理机构的要求,对一个历史研究项目的招标。你们公司投票成功,你是第一个历史研究项目的经理。不幸的是,你工作的结果不满足政府对历史研究标准的要求。公司总经理刚收到政府代理机构合同办公室发来的正式文件,文件说他们将终止这一项目。现在,你必须()。

    A、将你最新的工作结果送到你的合同办公室的技术代表处

    B、将这一教训归案并建立记录索引

    C、确立并归档现已完成的水平

    D、关闭项目办公室并解散所有人员

  • In your database, online redo log files are multiplexed and one of the members in a group is lost due to media failure.  How would you recover the lost redo log member?()

    A、import the database from the last export

    B、restore all the members in the group from the last backup

    C、drop the lost member from the database, and then add a new member to the group

    D、restore all the database files from the backup, and then perform a complete recovery 

    E、restore all the database files from the backup, and then perform an incomplete recovery

联系客服 会员中心
TOP