What is JPA?
Explore how Java Persistence API (JPA) streamlines CRUD operations by mapping Java objects to database tables with ORM. Understand JPA's role in reducing query complexity and its integration with frameworks like Hibernate. This lesson helps you grasp the fundamentals of JPA for managing entity relationships and database connectivity within Spring applications.
We'll cover the following...
In the previous section on Spring JDBC, we demonstrated how to perform CRUD operations using the JdbcTemplate class. JDBC requires the developer to write the queries, map values to the query, pass a set of parameters to execute the query, and map rows of the result set to a bean. For simple queries, this task is manageable, but in large applications with hundreds of tables, the queries ...