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Primary Keys and Generation Strategies in JPA (@GeneratedValue)

Learn how to define primary keys and use @GeneratedValue strategies in JPA. Covers identity, sequence, table generators, performance tips, and best practices.

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

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

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

One-to-Many and Many-to-One Mapping in JPA

Learn One-to-Many and Many-to-One mapping in JPA using annotations. Includes setup, CRUD, queries, pitfalls, performance tips, and best practices

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

One-to-One Mapping in JPA – A Complete Guide with Examples

Learn one-to-one mapping in JPA using @OneToOne annotation. Includes examples, CRUD operations, EntityManager usage, pitfalls, and best practices

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

Many-to-Many Relationship Mapping in JPA

Learn how to implement Many-to-Many relationship mapping in JPA with @ManyToMany. Includes examples, CRUD operations, queries, pitfalls, and best practices

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

Cascade Types in JPA Explained – ALL, PERSIST, MERGE, REMOVE, REFRESH, DETACH

Learn JPA cascade types (ALL, PERSIST, MERGE, REMOVE, REFRESH, DETACH) with examples. Covers setup, CRUD, pitfalls, performance tips, and best practices

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

Lazy vs Eager Fetching in JPA

Learn the difference between Lazy and Eager fetching in JPA. Includes examples, CRUD, queries, performance pitfalls, best practices, and SQL walkthroughs

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

JPA Inheritance Mapping Strategies – Single Table, Joined, Table per Class

Learn JPA inheritance mapping strategies: Single Table, Joined, and Table per Class. Includes code examples, SQL output, pros, cons, and best practices.

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

Working with Embedded Types in JPA – @Embeddable and @Embedded Explained

Learn how to use embedded types in JPA with @Embeddable and @Embedded. Includes setup, CRUD examples, SQL output, pitfalls, best practices, and use cases.

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

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JPA Transactions with EntityManager – Managing Begin, Commit, and Rollback

Learn how to manage transactions in JPA using EntityManager. Covers begin, commit, rollback, persistence context, pitfalls, best practices, and examples.

EntityManager Hibernate JPQL JPA Performance Tuning JPA Tutorial ORM In Java Jakarta Persistence Persistence Context JPA Annotations Criteria API JPA Relationships

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