Performing CRUD Operations with JPA
Learn CRUD operations with JPA using EntityManager. Covers persist, find, merge, remove, JPQL, Criteria API, and best practices for production-ready code
Learn CRUD operations with JPA using EntityManager. Covers persist, find, merge, remove, JPQL, Criteria API, and best practices for production-ready code
Learn One-to-Many and Many-to-One mapping in JPA using annotations. Includes setup, CRUD, queries, pitfalls, performance tips, and best practices
Learn one-to-one mapping in JPA using @OneToOne annotation. Includes examples, CRUD operations, EntityManager usage, pitfalls, and best practices
Learn how to implement Many-to-Many relationship mapping in JPA with @ManyToMany. Includes examples, CRUD operations, queries, pitfalls, and best practices
Learn JPA cascade types (ALL, PERSIST, MERGE, REMOVE, REFRESH, DETACH) with examples. Covers setup, CRUD, pitfalls, performance tips, and best practices
Learn the difference between Lazy and Eager fetching in JPA. Includes examples, CRUD, queries, performance pitfalls, best practices, and SQL walkthroughs
Learn JPA inheritance mapping strategies: Single Table, Joined, and Table per Class. Includes code examples, SQL output, pros, cons, and best practices.
Learn how to use embedded types in JPA with @Embeddable and @Embedded. Includes setup, CRUD examples, SQL output, pitfalls, best practices, and use cases.
Learn how to implement composite keys in JPA using @IdClass and @EmbeddedId with real-world examples, CRUD operations, performance tips, and best practices
Learn how to use @Column, @Enumerated, and @Temporal in JPA for precise attribute mapping and column customization with real-world examples and best practices.