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  OracleDBA数据库结构题选2
发布时间:2010/11/26 17:31:49 来源:www.xue.net 编辑:城市总裁吧

  Q. 1 : When will the rollback information applied in the event of a database crash

  1. before the crash occurs

  2. after the recovery is complete

  3. immediately after re-opening the database before the recovery

  4. roll back infrmation is never applied if the database crashes

  2

  Q. 2 : The data dictionary tables and views are stored in

  1. USERS tablespace

  2. SYSTEM tablespace

  3. TEMPORARY tablespace

  4. any of the three

  3

  Q. 3 : Oracle uses the data dictionary tables and views

  1. to make the database user friendly

  2. to store user data

  3. to store application data

  4. for proper database functioning

  4

  Q. 4 : No data in any data dictionary tables should be deleted or altered by any user. Which of the following object is an exception to this rule,

  1. AUD$

  2. PENDING_SESSIONS$

  3. USER_HISTORY$

  4. PENDING_TRANS$

  1

  Q. 5 : A collection of segments is a (an)

  1. extent

  2. segment

  3. tablespace

  4. database

  3

  Q. 6 : When the database is open, which of the following tablespaces must be online

  1. SYSTEM

  2. TEMPORARY

  3. ROLLBACK

  4. USERS

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