Relational Database Management System
a database management system (DBMS) that is based on the relational model as introduced by E. F. Codd.
基本概念
表 Table
a collection of related data entries and it consists of numerous columns and rows.
字段/域 field
- A field is a column in a table that is designed to maintain specific information about every record in the table.
记录 / 行 record / row
- each individual entry that exists in a table.
数据库的设计
- 大部分用户都是数据库的使用者,只需要对关系型数据库的表有充足认知即可。
- 关于数据库设计,可参考相关材料。此处暂略。
数据库的使用
- 见本文集的 数据工具箱-SQL。