数据库是按照数据结构来组织、存储和管理数据的仓库。在信息化社会，充分有效的管理和利用各类资源，是进行科学研究和决策管理的前提条件。数据库技术是管理信息系统、办公自动化系统、决策支持系统等各类信息系统的核心部分，是进行科学研究和决策管理的重要技术手段。(A database is a warehouse that organizes, stores, and manages data according to the structure of the data. In the information society, the full and effective management and use of all kinds of resources is the prerequisite for scientific research and decision-making management. Database technology is the core part of all kinds of information systems such as management information system, office automation system, decision support system and so on. It is an important technical means for scientific research and decision-making management.)