Database
数据库 指按一定格式组织在一起的数据集合。
数据库组成
数据库包含文件和数据组织形式。
通常 数据库 一词会被理解为数据库和 数据库管理系统 的统称。
分类
数据库 按使用场景可以划分为 OLTP 和 OLAP 两类。两者边界不断模糊互补，慢慢发展出 HTAP。
Oracle
A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). Together, the data and the DBMS, along with the applications that are associated with them, are referred to as a database system, often shortened to just database.[1]