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OracleDBA回滾段管理試題

時間:2024-05-03 21:46:17 Oracle認證 我要投稿
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OracleDBA回滾段管理試題

  Oracle DBA也是一名管理人員,因此,也同樣要求他在參與戰(zhàn)略發(fā)展計劃以及數(shù)據(jù)庫設計上要有出色的交際能力。下面是小編整理的關于OracleDBA回滾段管理試題,希望大家認真閱讀!

OracleDBA回滾段管理試題

  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

  Q. 4 : The OPTIMAL parameter for a rollback segment should be set

  1. large for long-frequently running transactions, small for short transactions.

  2. small for long-frequently running transactions, large for small transactions.

  3. small for all transactions

  4. large for all transactions

  KEY:1

  Q. 5 : In case of system failure, This type of segment is used to undo the changes

  1. Data Segment

  2. Temp Segment

  3. Redo Segment

  4. Rollback Segment

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