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Oracle

Description: Relational database design DatabasesDatabaseOracle
Number of Questions: 15
Created by:
Tags: Relational database design Databases Database Oracle
Attempted 0/15 Correct 0 Score 0

Which of the following is managed in a manner that free blocks are always made available for new blocks being read into memory?

  1. The stream pool

  2. The java pool

  3. The database buffer cache

  4. The data dictionary cache

  5. Registration of database


Correct Option: C
Explanation:

This is managed in a manner that free blocks are always made available for new blocks being read into memory.

Which of the following is in turn made up the persistent area that contains bind information and a run time area that is created as soon as an execute request is initiated?

  1. SQL work area

  2. Private SQL area

  3. The stream pool

  4. Instance creation

  5. Image copy


Correct Option: B
Explanation:

This is in turn made up the persistent area that contains bind information and a runtime area that is created as soon as an execute request is initiated.

Which of the following files facilitates the Oracle mechanism to recover from an instance failure or a media failure?

  1. Redo log files

  2. The password file

  3. Data files

  4. The stream pool

  5. Instance creation


Correct Option: A
Explanation:

These facilitate the oracle mechanism to recover from an instance failure or a media failure.

The database application issuing the distributed transaction is directly connected to the node acting as the which of the following?

  1. Client

  2. Database server

  3. RMAN client

  4. Global coordinator

  5. Media management application


Correct Option: D
Explanation:

The database application issuing the distributed transaction is directly connected to the node acting as the global coordinator.

Which of the following prevents SQL statements from being repeatedly parsed thus improving performance during execution of SQL statements?

  1. The data dictionary cache

  2. Library cache

  3. The stream pool

  4. SQL work area

  5. Instance creation


Correct Option: B
Explanation:

This prevents SQL statements from being repeatedly parsed thus improving performance during execution of SQL statements.

In which of the following phases does RMAN determine the objects accessed by a command?

  1. Execution phase

  2. Shrinking phase

  3. The local agent

  4. In-doubt transaction

  5. Compilation phase


Correct Option: E
Explanation:

During this phase, RMAN determines which objects the command will access.

Two specific caches library cache and the data dictionary cache form which of the following pools?

  1. The java pool

  2. The stream pool

  3. SQL work area

  4. The shared pool

  5. Data files


Correct Option: D
Explanation:

Two specific cache library cache and the data dictionary caches form the shared pool.

Which of the following files is very useful in the event of a failure and is used for recovery purposes?

  1. Archive file

  2. Data file

  3. Instance creation

  4. Automatic datafiles creation

  5. Password file


Correct Option: A
Explanation:

This file is very useful in the event of a failure and is used for recovery purposes.

Which of the following has the main functions to provide session memory for the shared server environment and parallel execution message buffers?

  1. The large pool

  2. The stream pool

  3. The java pool

  4. The password file

  5. Mount


Correct Option: A
Explanation:

It's main functions are to provide memory for session memory for the shared server environment, parallel execution message buffers.

Which of the following file stores the name of the database, the names and locations of the tablespaces in the database, the location of the redo files etc.?

  1. Extent

  2. Control file

  3. Data file

  4. The stream pool

  5. Instance creation


Correct Option: A
Explanation:

It is a contiguous group of blocks allocated for use as part of a table, index and so forth.

Which of the following files allows you to to specify the values to attributes that can be enforced without bouncing the database as well as after re-starting the database?

  1. Instance creation

  2. The password file

  3. Data file

  4. The stream pool

  5. The server parameter file


Correct Option: E
Explanation:

It allows you to specify the values to attributes that can be enforced without bouncing the database as well as after re-starting the database.

Which of the following stores the most critical data which never remains in-doubt, even if a failure occurs?

  1. Standby database

  2. Duplicate database

  3. Commit point site

  4. In-doubt transaction

  5. Database server


Correct Option: C
Explanation:

It stores the most critical data which never remains in-doubt, even if a failure occurs.

The contents of which of the following are essential for instance recovery purposes?

  1. The java pool

  2. Redo log buffer

  3. The stream pool

  4. Proxy archived log backups

  5. Duplicate database


Correct Option: B
Explanation:

The contents of the redo log buffer are essential for instance recovery purposes.

In which of the following modes does the transaction require only to read the data item?

  1. Exclusive mode

  2. Shrinking phase

  3. Shared mode

  4. The local agent

  5. In-doubt transaction


Correct Option: C
Explanation:

Here, the transaction wants only to read the data item.

Which of the following will frequently group together similar objects such as relations for a specific business area or a specific function?

  1. Segment

  2. Database block

  3. Tablespace

  4. Data file

  5. Instance creation


Correct Option: C
Explanation:

A tablespace will frequently group together similar objects such as relations for a specific business area or a specific function.

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