About This Architecture

Online gaming store ERD models a complete transactional database with five core entities: USERS, GAMES, ORDERS, ORDER_ITEMS, and REVIEWS. Data flows from user authentication through order placement, with ORDER_ITEMS bridging many-to-many relationships between ORDERS and GAMES, while REVIEWS enable user-generated ratings and feedback. This normalized schema eliminates data redundancy, enforces referential integrity through foreign keys, and supports inventory tracking and order history queries essential for retail operations. Fork this diagram on Diagrams.so to customize field types, add payment or shipping tables, or export as .drawio for your database design documentation. The mandatory relationships (solid lines) between USERS-ORDERS and GAMES-ORDER_ITEMS ensure data consistency, while optional REVIEWS relationships allow flexible user engagement.

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What does a normalized database schema for an online gaming store look like?

This ERD shows a normalized gaming store database with USERS managing accounts, GAMES storing inventory, ORDERS tracking purchases, ORDER_ITEMS bridging orders to games, and REVIEWS capturing user ratings. Primary keys ensure unique records, foreign keys maintain referential integrity, and the many-to-many relationship through ORDER_ITEMS prevents data duplication while supporting complex queries.