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.
详细讨论了组织控制、系统开发与维护控制、系统安全控制、硬件及系统软件控制、操作控制等控制方法。
Analyze the methods of organization control, system development and maintenance control, system security control, hardware and software control in detail.
本文提出了操作系统的安全设置与保护、维护及快速修复的一些新的方法，以供广大读者参考。
This paper presents some new methods to the security configuration on maintenance and rapid recovery, as reference for readers.
现场运行证明，该系统运行稳定可靠，操作与维护简便，其系统冗余、安全可靠性的思想，对我国长输管道SCADA系统设计与开发有一定借鉴作用。
The field running shows that the SCADA features reliable, easy operation and maintenance. Its redundancy and reliability is of consideration for design and development of pipeline SCADA in my country.
现场运行证明，该系统运行稳定可靠，操作与维护简便，其系统冗余、安全可靠性的思想，对我国长输管道SCADA系统设计与开发有一定借鉴作用。
The field running shows that the SCADA features reliable, easy operation and maintenance. Its redundancy and reliability is of consideration for design and development of pipeline SCADA in my country.
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