roll forward 中文意思是什麼
roll forward
解釋
前滾翻-
Roll forward using complete recover dropped table to e : - tmp
使用完全恢復將被刪除表前滾至e : tmp 。 -
In db2, both roll forward and rollback using logs
在db2中，使用日誌進行前滾和回滾 -
With five or more cpus, a mirror server distributes its roll forward operations among multiple threads during a failover this is known as parallel redo
如果cpu的數量為五個或更多時，鏡像服務器便會在故障轉移過程中，在多個線程之間分配其前滾操作（稱為「并行重做 -
These failures are handled much the same way in db2 udb and oracle, by restoring either offline or online backups and using roll forward operations to recover the logs
在db2 udb和oracle中，這些失敗的處理方式大致是一樣的，都是通過脫機或聯機備份並使用前滾操作恢復日誌來完成的。 -
When a user drops a table in db2 udb, you can either do a database level point - in - time recovery, rolling forward to the point before the table is dropped ; or, better still, use a table space level roll forward operation
當用戶刪除db2 udb中的表時，您可以執行數據庫級時間點恢復，前滾至刪除表之前的時間點；或者最好仍然使用表空間級的前滾操作。 -
At this moment, you will still be in roll forward pending mode sql1117n since there will be transactions to be roll forward
這時，您仍將處於前滾掛起模式（ sql1117n ） ，因為有要前滾的事務。 -
Oracle uses archived logs to roll forward to consistent state and undo table space to rollback any uncommitted data
Oracle使用歸檔日誌來前滾到一致狀態，並撤銷表空間來回滾任何未提交數據 -
Failover time for the database depends on how fast the mirror server can roll forward the log in the redo queue, which, in turn, is determined primarily by the system hardware and the current work load
數據庫的故障轉移時間取決于鏡像服務器前滾重做隊列中日誌的速度，此速度反過來主要由系統硬體和當前的工作負荷決定。 -
Otherwise, all files in the backup being restored are included in the roll forward set
否則，備份中所有正被還原的文件都將包括在前滾集中。 -
Database restore and roll forward must be done offline
數據庫恢復和前滾必須脫機完成。 -
Routine roll - forward of the comprehensive redevelopment programme
定期公布的向前推展整體重建計劃 -
Lost of archived redo logs preventing a roll forward beyond that point
防止出現超越某一時間點前滾的歸檔重做日誌的丟失。 -
The goal of roll forward is to return the data to its original state at the recovery point
恢復點回滾的目的是將數據返回至其在恢復點的原始狀態。 -
If society were a train, the etiquette would be the rails along which only the train could rumble forth ; if society were a state coach, the etiquette would be the wheels and axis on which only the coach could roll forward
假定社會是一列火車，禮儀就好比軌道，火車只能沿著它隆隆前進；假定社會是一輛馬車，禮儀就好比輪子與軸，馬車只有靠它們才能滾滾前進。 -
Redo phase roll forward
重做階段（前滾） -
Restore and roll forward for table space level does not require an offline
表空間級的恢復和前滾不要求脫機操作 -
Lsn at which the next roll forward must start
下一次前滾必須開始時的lsn 。 -
Skipping roll forward of data in read - only files
跳過對只讀文件中的數據的前滾 -
To do a roll forward recovery in db2 udb, archive logging must be used
要在db2 udb中執行前滾恢復，必須使用歸檔日誌記錄。 -
If you choose to have archive logging, and do an online backup and roll forward recovery, you can recover to a point in time or to the end of the logs for the minimum loss of data
如果您選擇使用歸檔日誌記錄，並執行聯機備份和前滾恢復，那麼您可以恢復到數據丟失最少的那個時間點，或者恢復到結束日誌的時候。
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