翻譯：每個資料庫至少需要一個資料庫管理員（DBA），一個資料庫系統有可能很大而且擁有很多使用者。所以資料庫管理員有時候不是一個人在工作，而是一個擁有DBA責任的DBA組的工作。一個資料庫管理員的職責有以下任務：1.安裝和更新資料庫服務和應用程式工具。2.為資料庫系統分配系統儲存和計劃以後的儲存需求。3.在程式員設計好一個應用程式後建立基本的資料庫儲存結構（資料表空間）。4.建立基本的對象（表，視圖，索引）當程式員設計好應用程式之後。5.在必要的時候修繕資料庫的結構根據程式員的需求。6.建立使用者和維護系統的安全。7.確保遵從oracle的許可說明。8.控制和監測使用者的的許可權。9.計劃備份和恢複資料庫的資訊。10.儲存歸檔日誌到磁碟上。11.備份和恢複資料庫。12.聯絡oracle的技術服務支援。原文：Each database requires at least one database administrator (DBA). An Oracle Database system can be large and can have many users. Therefore, database administration is sometimes not a one-person job, but a job for a group of DBAs who share responsibility.A database administrator's responsibilities can include the following tasks:■ Installing and upgrading the Oracle Database server and application tools■ Allocating system storage and planning future storage requirements for the database system■ Creating primary database storage structures (tablespaces) after application developers have designed an application■ Creating primary objects (tables, views, indexes) once application developers have designed an application■ Modifying the database structure, as necessary, from information given by application developers■ Enrolling users and maintaining system security■ Ensuring compliance with Oracle license agreements■ Controlling and monitoring user access to the database■ Monitoring and optimizing the performance of the database■ Planning for backup and recovery of database information■ Maintaining archived data on tape■ Backing up and restoring the database■ Contacting Oracle for technical support
