Classic database normalization would say to create a pizza table, and then a many-to-many table relating pizza IDs to topping IDs.

典型的数据库标准会建议需要先创建一张比萨表，然后再创建一张将比萨id与浇头id关联起来的多对多表。

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Note that this is an extremely informal discussion of the topic of database normalization, and does not cover all of the issues in depth.

注意这是对数据库规范化的一个非常不正式的讨论，并且也没有深入讨论所有的主题。

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Database normalization is a data design and organization process applied to data structures based on rules that help building relational databases.

数据库规范化是一种基于规则的，施加于数据结构之上的数据设计和组织过程，这种规则有助于建立关系型数据库。

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