易搜题 > 资格证大类 > 计算机编程 > 问题详情
问题详情

A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message: Which is the recommended sequence of operations you need to perform for the query successfully?()

A、 Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace.

B、 Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online.

C、 Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.

D、 Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.

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

  • Given that the current directory is empty, and that the user has read and write permissions, and the following: Which statement is true?()

    A、 Compilation fails.

    B、 The file system has a new empty directory named dir.

    C、 The file system has a new empty directory named newDir.

    D、 The file system has a directory named dir, containing a file f1.txt.

    E、 The file system has a directory named newDir, containing a file f1.txt.

  • 1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?() 

    A、 s.defaultReadObject();

    B、 this = s.defaultReadObject();

    C、 y = s.readInt(); x = s.readInt();

    D、 x = s.readInt(); y = s.readInt();

  • Windows Server 2003中能够发送SNMP请求报文并能对SNMP报文进行解析的服务为(49);用以监听被管主机发送来的陷入报文的服务为(50)。

    A.SNMP Service

    B.Task Scheduler

    C.Terminal Services

    D.SNMP Trap Service

  • How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has alreadycompleted?()

    A、Issue the ALTER DISKGROUP ... ADD DISK command.

    B、Issue the ALTER DISKGROUP ... UNDROP DISKS command.

    C、Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.

    D、Retrieve the disk from the Recycle Bin after the operation completes

  • Which two are true?()

    A

     An encapsulated, public class promotes re-use.

    B

     Classes that share the same interface are always tightly encapsulated.

    C

     An encapsulated class allows subclasses to overload methods, but does NOT allow overriding methods.

    D

     An encapsulated class allows a programmer to change an implementation without affecting outside code.

联系客服 会员中心
TOP