roll forward set 中文意思是什麼
roll forward set
解釋
前滾集-
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。 -
Changing the roll forward set after roll forward has started
啟動前滾之後更改前滾集 -
To apply logged changes to the data in a roll forward set to bring the data forward in time
由於存儲聚合數據而引起的多維結構（例如多維數據集）大小的指數增長。 -
If the whole roll forward set is consistent with the database, recovery is performed, and the database can be brought online
如果將數據庫恢復到前一個時間點並從該點開始使用數據庫，則將創建新的恢復路徑。 -
With recovery includes both the redo and undo phases and recovers the database ; additional backups cannot be restored. this is the default. if the roll forward set has not been rolled forward far enough to be consistent with the database, the undo phase cannot occur
每個恢復路徑都包含一系列將數據庫恢復到特定時間點的數據和日誌備份，該特定時間點可以是當前時間（通過正常使用數據庫和備份） ，也可以是特定數據和日誌還原。 -
The set of all data restored is called the roll forward set
包含所有還原數據的集合稱為「前滾集」 -
Restoring a log backup rolls forward all pages in the roll forward set
還原日誌備份將對前滾集中的所有頁進行前滾。 -
You cannot remove files or pages from a roll forward set, but you can add them
不能刪除前滾集中的文件或頁，但可以添加它們。 -
Recovering the database requires that the entire set of data being restored the roll forward set
恢復數據庫要求要還原的整個數據集（ 「前滾集 -
Pages in the roll forward set are overwritten with any more recent ones from the differential backup
前滾集中的頁將由差異備份中較新的頁覆蓋。 -
A roll forward set is defined by restoring a series of one or more data backups
數據備份（ data backup ）包含一個或多個數據文件的完整圖像的任意備份。 -
Then, it continues the redo phase to roll forward the rest of roll forward set, if any
然後，將繼續執行重做過程來對前滾集的其餘部分（如果存在）進行前滾。 -
Is the process of redoing logged changes to the data in the roll forward set to bring the data forward in time
）是指重做對前滾集中的數據記錄的更改以使數據及時前滾的過程。
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