摘要:数据备份是容灾的基础,是指为防止系统出现操作失误或系统故障导致数据丢失,而将全部或部分数据集合从应用主机的硬盘或阵列复制到其它的存储介质的过程。论文分析了现在网络数据库中常用备份方式的定义,优缺点,各种备份方法的适用场合。提出了备份方法应该遵循的原则和多备份方法的综合使用,解决了数据恢复既能达到迅速,又能把损失降到最低的问题。8691
关键词:数据库;数据;备份
Discussion on Data Backup Method of Network Database
Abstract: Data backup is the basis for disaster recovery, is a means to prevent the wrong system operation or system failure cause data loss, and part or all of the data storage medium from host's hard disk or the array is copied to the others. This paper analyses the definition, advantages and disadvantages, and applicable occasions of now commonly used in network database backup methods. Backup method should follow the principle and more comprehensive use of multiple backup method, solve the data recovery can achieve rapid, but also can reduce the damage to a minimum problem.
Key Words: Database; Data; Backups
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