《数据库管理与维护》：数据库技术是信息系统的一个核心技术，研究数据库的结构、存储、设计、管理以及应用的基本理论和实现方法，并利用这些理论来实现对数据库中的数据进行处理、分析和理解。数据库技术是现代信息科学与技术的重要组成部分，是计算机数据处理与信息管理系统的核心。数据库技术研究和解决了计算机信息处理过程中大量数据有效地组织和存储的问题。

使用数据库技术存储数据能减少数据存储冗余、实现数据共享、保障数据安全以及高效地检索数据和处理数据。数据库技术的根本目标是要解决数据的共享问题。

<Database management and maintenance>: Database technology is a core technology of the information system, studies the basic theory and realization method of database structure, storage, design, management, application, and use these theories to realize the processing, analysis and understanding of the data in the database. Database technology is an important part of modern information science and technology, and is the core of computer data processing and information management system. The database technology studies and solves the effective organization and storage problems of the large amounts of data that emerged in computer information processing.

The use of database technology to store data can reduce data storage redundancy, realize data sharing, ensure data security ,retrieve data and processing data efficiently. The basic goal of database technology is to solve the problem of data sharing.