Penn Health Institute > Development > Web Development > Mastering Spring Data JPA: From Basics to Advanced

4.83 out of 5

3 reviews on Udemy

Mastering Spring Data JPA: From Basics to Advanced

The full guide to master Spring Data JPA step by step

Instructor:

BOUALI Ali

36 students enrolled

English [Auto]

Setting up your development environment

Exploring Spring Data JPA fundamentals

Mastering repositories and the entity lifecycle

Unraveling entity relationships

Understanding inheritance

Leveraging embedded IDs and entities

Querying data

Named queries

Specification

Course description

Embark on a comprehensive journey through the world of Spring Data JPA, and become an expert in creating high-performance, data-driven applications. This in-depth course is tailored for developers seeking to master Spring Data JPA, covering everything from basic concepts to advanced techniques. By enrolling in this course, you will unlock the full potential of Spring Data JPA and gain the confidence to tackle complex real-world challenges.

Key topics covered in this course include:

Setting up your development environment: Learn how to connect to MySQL and PostgreSQL databases using Docker, ensuring a smooth and practical learning experience.
Exploring Spring Data JPA fundamentals: Dive into the core concepts of Spring Data JPA, including entities, primary keys, generation types, columns, and tables. Get hands-on experience through practical examples that solidify your understanding of these essential annotations.
Mastering repositories and the entity lifecycle: Understand the repository hierarchy, entity lifecycle, and how to leverage the power of Spring Data JPA to manage your data efficiently.
Unraveling entity relationships: Delve into various relationship types, such as one-to-one, one-to-many, and many-to-many, while learning best practices for modeling and managing complex relationships between entities.
Understanding inheritance: Gain a deep understanding of inheritance strategies in Spring Data JPA and how to model and query hierarchical data effectively.
Leveraging embedded IDs and entities: Discover how to use embedded IDs and entities to model composite primary keys and embeddable types, enhancing the reusability and maintainability of your code.
Querying data: Master the art of querying data using various techniques, including JPQL, native SQL queries, and the Criteria API.
Named queries: Learn how to use named queries for better organization, maintainability, and performance optimization.
Specification: Unlock the full potential of Spring Data JPA Specifications to create dynamic and type-safe queries, which can be combined and reused for ultimate flexibility and maintainability.

This comprehensive course is designed to provide you with the knowledge and skills necessary to excel in your career as a Spring Data JPA developer. With a balanced mix of theory, hands-on examples, and best practices, you will be well-equipped to create efficient and scalable applications using Spring Data JPA. Enroll today and take the first step towards becoming a Spring Data JPA expert!

Bootstrap the course

Setup Postgres DB server (Docker image)

Setup MySQL DB server (Docker image)

Create a new Spring boot project

Setup the DB and create a new schema (Postgres)

Setup the DB and create a new schema (MySQL)

Connect the application to the database (Postgres)

Connect the application to the database (MySQL)

The persistence project we will build

Introduction to Spring Data JPA

Hibernate VS Spring Data JPA

Create the first java Class

Transform the java Class to an @Entity

@Id annotation

@GeneratedValue annotation

Strategy AUTO

@SequenceGenerator annotation

@TableGenerator annotation

@Column annotation overview

Best usages of @Column

Have more control over your entity using @Table

Repositories

Repositories overview

Deep understanding of Repositories

Discover the repositories as code

Create your first Repository

Create a command line runner

Insert some data into the database

Entity lifecycle

Spring Data JPA Relationships

Why creating relationships between entities

The difference between unidirectional and bidirectional relationship

Create the course entity

Create the section entity

Create the lecture entity

Create the resource entity

Many to many relationship

One to many

One to many section and lecture

One to one relationship

Check if your code is correct

Playing with Inheritance

Inheritance overview

Inheritance VS Composition

@MappedSuperclass

Create the child classes

Single table strategy

Single table strategy - Discriminator Values

Test the single table strategy strategy

Joined table strategy

Table per class strategy

Polymorphic Queries

Embedded entities & ID

Embedding Overview

@EmbeddedId

Use the embedded ID

Test the embedded ID

Create Embedded Address class

@Embaddable annotation

Querying data

Derived query methods explained

FindAllBy methods explained

Play with FindBy method

Add Java Faker dependency

Insert fake data

Exercice

Update data

Update data using @Modifiying

Named queries

Definition and advantages of named queries

Fetch data with @NamedQuery

Update data with @NamedQuery

How long do I have access to the course materials?

You can view and review the lecture materials indefinitely, like an on-demand channel.

Can I take my courses with me wherever I go?

Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!

4.8

4.8 out of 5

3 Ratings