This section of the paper examines a simple database design in order to introduce some of the key MySQL concepts and some of the basic tasks you can perform in MySQL
为了介绍一些关键的MySQL概念以及一些您可以在 MySQL 中执行的基本任务，文章的这一节将讨论一个简单的数据库设计。
It gives a suite of modeling concepts which can completely describe the business objects. And the data structures are presented. Therefore, a uniform database concept design framework is achieved.
该方法给出一套能对实际业务对象进行完整描述的概念模型，并给出相应的数据结构设计，从而得到一种统一的数据库概念模型设计框架。
However, to design an efficient database application with a minimal amount of frustration, you need to understand the basic concepts of SQL.
然而，用最少的挫折设计一个有效的数据库，你需要了解SQL的基本概念。
Purpose: to master the basic concepts of database systems, principles and methods learn how to effectively use the database management system, including database design and database programming.
说明：目的：掌握数据库系统的基本概念、原理和方法；学会如何有效地使用数据库管理系统，包括数据库的设计和对数据库的编程。
Purpose: to master the basic concepts of database systems, principles and methods learn how to effectively use the database management system, including database design and database programming.
说明：目的：掌握数据库系统的基本概念、原理和方法；学会如何有效地使用数据库管理系统，包括数据库的设计和对数据库的编程。
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