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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略發展計劃以及數據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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