其主要思想是对一个完整的数据库备份映像执行一个重定向恢复操作。
The idea is to perform a redirected restore operation on a full database backup image.
对于数据库，表空间级备份是否就够了，还是需要完整的数据库备份？
For the database, are table space level backups sufficient, or are full database backups necessary?
DB 2 High Performance Unload还能够重新分配数据，帮助提高备份和恢复操作的速度，它启用了从完整的数据库备份卸载和恢复单个表的功能。
DB2 High Performance unload can also repartition data and help speed backup and recovery operations by enabling unload and recovery of single tables from a full database backup.
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