DBA（数据库管理员）

A database administrator (DBA) is responsible for the maintenance, performance, integrity and security of a database. Additional role requirements are likely to include planning, development and troubleshooting.

数据库管理员（DBA）负责：维护，性能优化，整合，以及保证数据库安全。另外，可能还有些其他的职责，例如：计划，开发和故障解决。

The work of a database administrator (DBA) varies according to the nature of the employing organization and the level of responsibility associated with the post. The work may be pure maintenance or it may also involve specializing in database development.
Typical responsibilities include some or all of the following:

DBA的工作有很多种，根据一般的公司组织中DBA的工作要求来看，DBA也许只做纯维护或者包含一部分开发工作。下面列出的是典型的DBA职责：

 Establishing the needs of users and monitoring user access and security;

接受用户需求并且监控用户访问以及安全性。

 Monitoring performance and managing parameters to provide fast query responses to front-end users;

监控性能和配置参数来保证更好的用户查询体验

 Mapping out the conceptual design for a planned database in outline;

规划概念数据库大纲

 Take into account both, back-end organization of data and front-end accessibility for end users;

管理后台组织和前台用户访问

 Refining the logical design so that it can be translated into a specific data model;

为更好的转化数据模型而重新设计逻辑模型

 Further refining the physical design to meet system storage requirements;

为满足系统存储要求而再次重新设计逻辑模型

 Installing and testing new versions of the database management system (DBMS);

安装和测试新版本的数据库系统

 Maintaining data standards, including adherence to the Data Protection Act;

维护数据标准，包括遵守数据保护法

 Writing database documentation, including data standards, procedures and definitions for the data dictionary (metadata);

编写数据库文档，包括数据标准，存储过程以及数据字典（元数据）的定义

 Controlling access permissions and privileges;

控制访问权限

 Developing, managing and testing backup and recovery plans;

开发，管理和测试备份恢复计划

 Ensuring that storage, archiving, backup and recovery procedures are functioning correctly;

保证存储，归档，备份和恢复过程运行正常

 Capacity planning;

存储容量规划

 Working closely with IT project managers, database programmers and Web developers;

与IT项目经理，数据库开发人员，Web开发人员协同合作

 Communicating regularly with technical, applications and operational staff to ensure database integrity and security;

定时与技术，应用以及操作人员沟通以保证数据库的完整性和安全性

 Commissioning and installing new applications.

部署和安装新的应用

Because of the increasing levels of hacking and the sensitive nature of data stored, security and recoverability or disaster recovery have become increasingly important aspects.

由于黑客技术的提高和存储信息的敏感性，信息安全和可恢复性或者灾难恢复已经成为了一个非常重要的方面