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  • OracleDBA回滾段管理試題

    時(shí)間:2024-05-03 21:46:17 Oracle認(rèn)證 我要投稿
    • 相關(guān)推薦

    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(jì)劃以及數(shù)據(jù)庫(kù)設(shè)計(jì)上要有出色的交際能力。下面是小編整理的關(guān)于OracleDBA回滾段管理試題,希望大家認(rèn)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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