数据库备份与恢复解决方案可能同时提供在线(数据库可以保持活动)与离线(数据库必须不活动)备份功能，二者各有优缺点。
Database backup and restore solutions may provide both online (database can remain active) and offline (database must be inactive) backup capabilities, each of which provides benefits and drawbacks.
大多数情况下，数据库系统本身将提供一种或多种备份与恢复机制，作为产品的组成部分。
In most cases, the database system itself will provide one or more backup and restore mechanisms as part of the product.
DB 2恢复命令调用DB2包含在数据库备份映像中的代理，然后DB 2代理通过与安全服务器通信对其进行解密。
The DB2 restore command invokes the DB2 agent contained in the database backup image, and the DB2 agent decrypts it by communicating with the security server.
注意，这个操作是不可恢复的，因此如果需要将数据库恢复到完成表移动与备份之间的某个时间点，那么表可能会丢失。
Note that this operation is not recoverable, so if you need to recover your database to the point in time between the table move completion time and following backup, the table may get lost.
您还可以使用为数据库提供备份与恢复功能的第三方工具。
You may also find third-party tools that provide backup and restore capabilities for databases as well.
数据库可能对备份与恢复解决方案提出独特要求。
Databases can pose unique requirements for backup and restore solutions.
对比数据库管理者配置参数与dbm . cfg . out备份文件，在必要时进行恢复。
Compare, and if necessary restore, the database manager configuration parameters to those in the dbm.cfg.out backup file.
任务包括计划并管理数据库、调优性能与容量、创建和维护索引并优化查询、监测、以及管理备份与恢复。
Tasks include planning and administering the database, tuning for performance and capacity, creating and maintaining indexes and optimizing queries, monitoring, and managing backup and recovery.
备份与恢复是数据库管理员维护数据库安全性和完整性的重要操作。
The database manager defends the database security and the complete important operation is the backup with restores.
数据库系统的备份与恢复部分正是要解决这些问题。
The part of backup and recovery in DBMS is to solve these problems.
已经建立发布与订阅(合并拷贝)地两台数据库服务器怎么样运用SQL语句进行备份与恢复数据库？
Publishing and subscription has been established (merged copy) to use two database servers like SQL statements how to back up and restore the database?
本文以ORACLE数据库为例，结合我们医院的业务应用环境，介绍ORACLE数据库的备份与恢复方法。
Taking the oracle database as an example and combining with the business applicable environment in our hospital, this paper describes the backup and recovering mechanism of oracle database.
备份数据库与正在使用的数据库具有相同的参数状态，这样在数据库故障中，只需作必须的最少恢复，最大限度地缩短了恢复时间。
Backup database and the database that using have same parameter state, such is in in database breakdown, need only must restore the least, utmost ground shortened restore time.
给出了数据库加密技术和依赖用户的可恢复密钥管理机制的设计，实现了用户密钥的安全存储、备份与恢复。
Database encryption and user-dependent restorable key management scheme insure the security of key storing, backuping and restoring.
给出了数据库加密技术和依赖用户的可恢复密钥管理机制的设计，实现了用户密钥的安全存储、备份与恢复。
Database encryption and user-dependent restorable key management scheme insure the security of key storing, backuping and restoring.
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