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  ORCALDBA有关回滚段管理考题精选
发布时间:2010/11/26 17:26:47 来源:www.xue.net 编辑:城市总裁吧

  Q. 1 : What system privilege is required to create a rollback segment ?

  1. Create database

  2. Create rollback segment

  3. Alter database

  4. Create segment

  KEY:2

  Q. 2 : Oracle recommends this number of minimum extents in a rollback segment

  1. 0

  2. 1

  3. 2

  4. 3

  KEY:3

  Q. 3 : Oracle recommends that the following segment size when creating a rollback segment

  1. INITIAL NEXT

  2. INITIAL = NEXT

  3. INITIAL NEXT

  4. NONE OF THE ABOVE

  KEY:2

  KEY:4 : Rollback Segments are used to rollback information that has already been applied to database. During recovery, the database is rolled forward and then backwards to a consistent state. Q. 6 : This is a valid storage parameter when creating a rollback segment

  1. FREELISTS

  2. OPTIMAL

  3. PARTITION

  4. NONE OF THE ABOVE

  KEY:2

  Q. 7 : Madhu created a couple of private rollback segments. What should he do now to make them online automatically during startup

  1. Grant online during startup to the segments

  2. Add rollback_segments=(rbs1,rbs2) in parameter file

  3. Drop segments and recreate them as protected

  4. None of the above

  KEY:2

  Q. 8 : Which is true regarding rollback segm

  morewww.examer.cn

  KEY:4 : Rollback Segments are used to rollback information that has already been applied to database. During recovery, the database is rolled forward and then backwards to a consistent state.

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