JPA & Spring Data JPA Basics

JPA & Spring Data JPA?

JPA is a tool for persisting objects in relational database tables and is a Java EE standard technology for ORM. Spring Data JPA provides integration for developing projects using JPA within Spring.

• Any developer with experience in DB connection using JDBC or MyBatis in Java can listen.

“ I am Choi Beom-gyun, a server developer who dreams of becoming a gray-haired developer.”

I have extensive experience with various projects using Spring and JPA. I've authored books such as "Introduction to Spring 5 Programming," "Introduction to JPA Programming," "Getting Started with Domain-Driven Development," and "Getting Started with Test-Driven Development."

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Q. Do I need any SQL or JDBC experience?

You should have at least some experience executing basic SELECT, UPDATE, DELETE, and INSERT queries in Java to understand the course content.

Q. The JPA version mentioned in the lecture is 3.0, but our project uses JPA version 2. Is there any difference due to the version?

The content introduced in the lecture is functionally the same as the content introduced in the lecture, except for the package name, so you can apply it identically.

Q. Where can I find the code used in the lecture?

It is available through GitHub link (https://github.com/madvirus/jpa-basic)

Q. Why isn't QueryDSL covered?

As mentioned in the lecture, for query functions such as lists and details, it is preferred to use SQL directly (JdbcTemplate or MyBatis), or to use Specification when a combination of search conditions is required.