| 1. | Therefore , a copy - only backup cannot serve as a differential base
因此，仅复制备份不能用作差异基准。 |
| 2. | Differential backups are taken in relation to a specific differential base
差异备份根据特定的“差异基准 |
| 3. | 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。 |
| 4. | Under the simple recovery model , a differential backup can have only one differential base
使用sql server ，可以决定如何在备份设备上创建备份。 |
| 5. | 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。 |
| 6. | When a read - only database is detached and then reattached , the differential base information is lost
分离再重新附加只读数据库后，会丢失差异基准信息。 |
| 7. | For example , a regular data backup can serve a differential base for one or more subsequent differential backups
例如，常规数据备份可以用作一个或多个后续差异备份的差异基准。 |
| 8. | A backup that contains only the changes that were made since the creation of its differential base or bases
差异备份( differential backup )只包含自其差异基准创建以来所做更改的备份。 |
| 9. | A copy - only full backup cannot serve as a differential base or differential backup and does not affect differential backups
若要创建或还原仅复制备份，必须使用backup和restore transact - sql语句。 |
| 10. | 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。 |
