Archive logging enables an online backup and recovery.
存档日志模式支持在线备份和恢复。
To understand the DB2 UDB online backup and recovery, you need to understand archive logging. There are three definitions of logs that we need to familiar with.
要了解DB 2UD b联机备份和恢复，就需要了解归档日志记录。
Typically this recovery is achieved when database is running in ARCHIVELOG mode and backup online.
通常该恢复是当数据库运行在ARCHIVELOG模式下和联机备份时取得的。
Listing 12 demonstrates online database backup and recovery methods in DB2 LUW.
清单12展示了DB 2LUW中的联机数据库备份和恢复方法。
Supports full, incremental, delta and tablespace level online / offline backup and recovery.
支持完全、增量、delta和表空间级在线/离线备份和恢复。
There are two modes of backup and recovery for both Oracle and DB2 UDB databases: offline and online.
对于Oracle和DB 2UD b数据库，有两种备份和恢复模式：脱机和联机。
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.
如果您选择使用归档日志记录，并执行联机备份和前滚恢复，那么您可以恢复到数据丢失最少的那个时间点，或者恢复到结束日志的时候。
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.
如果您选择使用归档日志记录，并执行联机备份和前滚恢复，那么您可以恢复到数据丢失最少的那个时间点，或者恢复到结束日志的时候。
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