ORM (Object Relational Mapping) with JPA (Java Persistence API)

Plan

Day 1 - Introduction to ORM

Day 2 - More JPA

Day 3 - JPA & Inheritance

Day 4 - JPQL

Day 5 - Study point exercises

Learning objectives

ORM / JPA / JPQL

• Create database connection
• Create persistence unit
• Use annotations
• Create entities
• Handle relations
• Handle inheritance
• Handle entities ( Persist / Merge / Remove / Find )
• Use entity managers
• Create named / dynamic queries
• Create facade to handle entities

Exercises

Exercise 1 - Basic JPA
Exercise 2 - Relationships
Exercise 3 - Inheritance
Exercise 4 - JPQL

Resources:

Tutorialspoint - JPA
Simple JPA Application
The ULTIMATE Guide