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many-to-many

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Spring Boot demo comparing JPA lazy loading (N+1 problem) vs EntityGraph optimization. Shows performance difference between 11 queries vs 1 query for Books-Authors many-to-many relationship. Includes query counting, tests, and metrics.

  • Updated Sep 30, 2025
  • Java

This project, the "Student Entity Data Mapper Project," is a Spring Boot application that demonstrates mapping and CRUD operations for student and related entities, including Address, Course, Book, Laptop, and Apply (DTO). It provides a set of RESTful API endpoints for managing student records and their associations with these entities.

  • Updated Oct 8, 2023
  • Java

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