I think laying the foundations here is where it starts.

light3357163

For those who are new to JPA or who use JPA in practice but lack basic theory,
By learning the basic theory of JPA solidly, even beginners can confidently use JPA in practice.

인프런 10주년! 사랑주간 전체 할인

Java ORM Standard JPA Programming - Basics

입문

초급

중급이상

자바

Java

자바 퍼시스턴스 API

Course Intro

JPA Introduction

Getting Started

Persistence Management - Internal Working

Entity Mapping

Basic Association Mapping

Various association mappings

Advanced Mapping

Proxy and Association Management

Value Type

Object-Oriented Query Language 1 - Basic Syntax

Object-Oriented Query Language 2 - Intermediate Grammar