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IT数据库是现代社会信息化建设的核心和基础设施之一

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发表于 2024-11-12 12:23:17 | 显示全部楼层 |阅读模式
IT数据库是现代社会信息化建设的核心和基础设施之一。以下是关于IT数据库的简要介绍:

定义与组成:
IT数据库是指将各种数据分类组织以便管理、检索、修改、备份和恢复的技术系统。
主要由数据库管理系统(DBMS)和数据库实例(DB实例)两部分组成。
作用:
实现了整体数据的结构化,数据不再仅针对某个应用,而是面向全组织。
数据共享性高,冗余度低,易扩充,提高了数据使用效率。
数据独立性高,包括物理独立性和逻辑独立性,降低了数据与程序间的耦合度。
技术特点:
数据由DBMS统一管理和控制,确保数据的安全性、完整性和并发访问控制。
支持多种数据恢复技术,保障数据在意外情况下的可恢复性。
分类:
包括关系型数据库(如MySQL、Oracle)、非关系型数据库(如MongoDB、Redis)和混合型数据库等,满足不同应用场景的需求。
综上所述,IT数据库在数据管理和应用中扮演着重要角色,是现代信息化社会不可或缺的一部分




























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