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Mapping, Data structure, database, oracle, mysql, sql, nosql, onetoone, onetomany, manytomany, jdbc, jpa, API, Orm

Just like the unidirectional@OneToMany relationship can be optimized by allowing the child-side to control this association, the@ManyToMany mapping can be transformed so that the junction table is mapped to an entity.

Online Market Project: Figure -1. RealDatabase Stucture.

Most Online market project has been complated database stucture and Spring Boot.

• Total all arguments included
• No security added
• GraphQL API

• Total all arguments included
• No security added
• Restfull API

Updated Database Schema and Using GraphQL API implementation. Product and Coupong (@ManyToOne) integration.

1. High-Performance-Java-Persistence

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