Breaking News: Grepper is joining Read the official announcement!
Check it out

How do you map relationships in JPA?

Pragya Keshap answered on March 1, 2023 Popularity 3/10 Helpfulness 1/10


More Related Answers

  • mapsid jpa
  • spring boot jpa in clause
  • How do you define an entity in JPA?
  • show sql property syntax for jpa.
  • jpa repository query with parameters
  • one to many Implementing With a Join Table jpa
  • spring data jpa inheritance repository
  • spring data jpa inheritance repository
  • jpa mapping
  • jpa mapping
  • jpa mapping
  • jpa mapping
  • List of tuple to map + jpa
  • jpa repository spring boot query table not mapped
  • jpa query by example between values
  • Learn to use JPA to persist data into a Database
  • What are the different types of relationships in JPA?
  • How do you define One to One Mapping in JPA?
  • How do you define Many to Many Mapping in JPA?
  • spring jpa query with union all

  • How do you map relationships in JPA?






    Let's tackle these relationships one by one.


    We'll get started with the One-to-Many and Many-to-One relationships, which are closely related. You could go ahead and say that they're the opposite sides of the same coin.

    What's a One-to-Many relationship?

    As its name implies, it's a relationship that links one entity to many other entities.

    In our example, this would be a Teacher and their Courses. A teacher can give multiple courses, but a course is given by only one teacher (that's the Many-to-One perspective - many courses to one teacher).

    Another example could be on social media - a photo can have many comments, but each of those comments belongs to that one photo.

    Before diving into the details of how to map this relationship, let's create our entities:

    Popularity 3/10 Helpfulness 1/10 Language java
    Source: Grepper
    Link to this answer
    Share Copy Link
    Contributed on Mar 01 2023
    Pragya Keshap
    0 Answers  Avg Quality 2/10


    Continue with Google

    By continuing, I agree that I have read and agree to Greppers's Terms of Service and Privacy Policy.
    Grepper Account Login Required

    Oops, You will need to install Grepper and log-in to perform this action.