| 单词 | differential backup |
| 释义 | 例句释义: 差异备份,差量备份,微分备份,差异式备份 1. A differential backup captures only the changes since the last full database backup. 差异备份只能捕获自上次完整数据库备份之后的更改。 msdn2.microsoft.com 2. A differential backup that includes files that were last backed up in distinct base backups. 包含最后一次在非重复基准备份中备份的文件的差异备份。 technet.microsoft.com 3. Base of the differential. A differential backup includes only the data that has changed since the. 差异备份仅包括自建立差异基准后更改的数据。 msdn2.microsoft.com 4. A differential backup includes only the extents that changed since the differential base was created. 差异备份仅包括自创建差异基准之后更改的区。 msdn2.microsoft.com 5. A copy-only full backup cannot serve as a differential base or differential backup and does not affect differential backups. 仅复制完整备份不能用作差异基准或差异备份，并且不影响差异备份。 msdn2.microsoft.com 6. A differential backup can be taken for a whole database or any subset of data files for which a base exists . 可对整个数据库或存在基准的数据文件的任意子集进行差异备份。 www.bing.com 7. Creating a data or differential backup captures only the portion of the database containing real data; unused space is not backed up. 创建数据或差异备份只捕获数据库中包含实际数据的部分，而不备份未使用的空间。 technet.microsoft.com 8. Typically, a differential backup has a single differential base, which covers the same set of data files as the differential backup. 通常，差异备份只有一个差异基准，该基准所涵盖的一组数据文件与差异备份所涵盖的相同。 msdn2.microsoft.com 9. The differential backup operation relies on a bitmap page that contains a bit for every extent. 差异备份操作取决于位图页，此页针对每个区包含一位。 msdn2.microsoft.com 10. A differential backup contains only the data that has changed since the differential base. 差异备份仅包括自建立差异基准后发生更改的数据。 technet.microsoft.com 1. Unique identifier of the base backup on which a differential backup will be based. 差异备份所基于的基准备份的唯一标识符。 msdn2.microsoft.com 2. Every sequence of transaction log backups must be preceded by a full backup or full differential backup. 执行每个事务日志备份序列之前，必须先执行完全备份或完全差异备份。 msdn2.microsoft.com 3. Each full and differential backup contains just enough log records to let you use them to recover the database. 每个完整备份和差异备份包含的日志记录刚好足够用来恢复数据库。 technet.microsoft.com 4. The third differential backup is large enough that the next backup is a database backup. This establishes a new differential base. 第三个差异备份很大，足以使下一个备份成为数据库备份，从而将建立新的差异基准。 msdn2.microsoft.com 5. For a single- based differential backup , the value is the unique identifier of the differential base . 对于单基准的差异备份，该值为差异基准的唯一标识符。 www.bing.com 6. A restore sequence starts with restoring a full backup, optionally followed by a corresponding differential backup. 还原顺序以一个或多个数据备份开始，后面可跟为每个完整备份执行的差异备份。 msdn2.microsoft.com 7. Used to synchronize differential backup operations with DBCC. 用于同步用DBCC执行的差异备份操作。 technet.microsoft.com 8. At restore time, the full backup is restored first, followed by the most recent differential backup. 还原时，首先还原完整备份，然后再还原最新的差异备份。 technet.microsoft.com 9. Typically, a differential backup covers the same data files as those files that are covered in a single differential base. 通常，差异备份所涵盖的数据文件与单个差异基准所涵盖的文件相同。 technet.microsoft.com 10. The full database backup and the last differential backup, if any, taken before the particular transaction log backup. 在特定事务日志备份之前执行的完整数据库备份和上次差异备份（如果有）。 msdn2.microsoft.com 1. With this strategy, you need to recover the full backup, and then recover the last differential backup. 使用此策略时，需要恢复完整备份，然后恢复最新的差异备份。 technet.microsoft.com 2. The third differential backup is large enough that the next backup is a full database backup. 第三个差异备份很大，足以使下一个备份成为完整数据库备份。 technet.microsoft.com 3. Then, restore only the most recent differential backup to bring the database forward to the time when that differential backup was created. 然后，若要将数据库前滚到最新的差异备份时间，只需要还原最新的差异备份。 msdn2.microsoft.com 4. A full database backup is required before a differential backup can be performed. 需要执行完整备份后，才能执行差异备份。 www.showxiu.com 5. Pages in the roll forward set are overwritten with any more recent ones from the differential backup. 前滚集中的页将由差异备份中较新的页覆盖。 msdn2.microsoft.com 6. The alternatives to an incremental backup are differential backup and full backup . 选择一个增量备份是差异备份和完全备份。 www.showxiu.com 7. Differential backup, restore, and recovery are not supported on file systems that are not NTFS. 非NTFS文件系统不支持差异备份、还原和恢复。 msdn2.microsoft.com 8. A differential base is a data backup is the reference point for the differential backup. 差异基准是一个数据备份，它是差异备份的参考点。 msdn2.microsoft.com 9. The following example restores a full database backup followed by a differential backup from the. 以下示例还原完整数据库备份后还原差异备份。 msdn2.microsoft.com 10. Data extents changed after this LSN will be included in a differential backup. 在此LSN之后更改的数据区将包含在差异备份中。 msdn2.microsoft.com 1. Creating a differential backup is identical to creating a full backup, except only changed data is copied. 创建差异备份与创建数据备份相同，不过创建差异备份仅复制更改的数据。 msdn2.microsoft.com 2. You can perform a differential backup for any recovery model (full, bulk-logged, or simple). 可以执行任意恢复模式（完整、大容量日志或简单）的差异备份。 technet.microsoft.com 3. Under the simple recovery model, a differential backup can have only one differential base. 在简单恢复模式下，一个差异备份只能有一个差异基准。 msdn2.microsoft.com 4. A differential backup contains just enough log to allow recovery. 差异备份包含的日志信息仅够进行恢复。 msdn2.microsoft.com 5. A differential backup skips forward to when the differential backup was taken. 差异备份将向前跳到进行差异备份的时间点。 technet.microsoft.com 6. As soon as the differential backup is recovered, the database is recovered. 在恢复了差异备份之后，便恢复了数据库。 msdn2.microsoft.com 7. This greatly reduces the number of pages that a differential backup must scan. 这样大大减少了差异备份必须扫描的页数。 technet.microsoft.com 8. The differential backup chain is broken. 差异备份链断开。 msdn2.microsoft.com 9. Any data since last full or differential backup is lost. 自上次完整备份或差异备份后的任何数据将丢失。 msdn2.microsoft.com 10. You can perform an incremental or differential backup only if you have previously performed a normal backup. 仅当以前执行过普通备份时，才能执行增量备份或差异备份。 technet.microsoft.com 1. At restore time, before you restore a differential backup, you must restore its base. 在还原过程中，还原差异备份之前，必须先还原其基准。 msdn2.microsoft.com 2. You must perform a full database backup before you can perform a differential backup. 必须首先执行完全数据库备份，才能执行差异备份。 msdn2.microsoft.com 3. A specific differential backup captures the state of changed extents at that time that backup is created. 给定的差异备份将在创建时捕获已更改的区的状态。 msdn2.microsoft.com 4. Also see Copy and archive a whole subdirectory, Section 8. 3 And Differential backup and data synchronization, Section 8. 4. 亦可参阅差量备份与数据同步，第8.4节。 qref.sourceforge.net 5. A read-only filegroup may not require log backups if a data or differential backup was taken after the filegroup became read-only. 如果在文件组变为只读以后执行数据备份或差异备份，则只读文件组可能不需要日志备份。 technet.microsoft.com 6. To continue the above example, a second backup operation (a differential backup) appends information to the same media set 为了继续上面的示例，第二个备份操作（差异备份）将向同一媒体集追加信息 msdn2.microsoft.com 7. If the next backup is a data or differential backup, use the 如果下一个备份是数据备份或差异备份，请再次使用 msdn2.microsoft.com 8. Restoring a database or differential backup consists of four steps 还原数据库备份或差异备份包括四个步骤 technet.microsoft.com 9. Each major type of data backup has a corresponding differential backup 每种主要的数据备份类型都有相应的差异备份 msdn2.microsoft.com 10. Creating a full or differential backup consists of the following steps 创建数据或差异备份包含两个步骤 msdn2.microsoft.com |
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