What are JPA annotations and how do they work?
An example of an AI chatbot conversation about JPA annotations in Java applications.
What are JPA annotations and how do they work?
JPA annotations are used in Java Persistence API to define how Java objects map to database tables. They help in ORM.
Can you give me some examples of common JPA annotations?
Sure! Common JPA annotations include @Entity, @Table, @Id, @GeneratedValue, and @Column.
What does the @Entity annotation do?
The @Entity annotation marks a class as a persistent Java object, meaning it will be mapped to a database table.
How do I use the @Id annotation?
The @Id annotation is used to specify the primary key of an entity. You typically place it on a field in your class.
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