Essential database schema design patterns for e-commerce applications using SQLAlchemy. Covers relational modeling patterns including one-to-many and many-to-many relationships, hierarchical data structures like adjacency lists and path enumeration, temporal data patterns for versioning and audit trails, embedding vs referencing strategies, and polymorphic associations. Emphasizes normalization principles, data integrity constraints, and designing schemas that support both current requirements and future evolution.
Table of contents
Why Schema Design Matters More Than You ThinkOur Example Domain → An E-commerce PlatformPrinciples of Good Schema DesignRelational Schema Design PatternsModeling Hierarchical Data (Tree Structures)Handling Versioned & Historical DataEmbed vs Reference: To Embed or Not to Embed?Polymorphic Associations: One Relation, Many TypesWrapping Up2 Comments
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