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            ORCALDBA回滾段管理試題

            時間:2020-10-27 17:32:13 筆試題目 我要投稿

            ORCALDBA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

            ORCALDBA回滾段管理試題


            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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