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https://github.com/humayan-kabir/spring-jpa-hibernate
Transitioning from JDBC to Spring JPA with Hibernate for Modern Data Persistence in Java Applications
https://github.com/humayan-kabir/spring-jpa-hibernate
hibernate spring-data-jpa spring-jd spring-mvc
Last synced: 28 days ago
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Transitioning from JDBC to Spring JPA with Hibernate for Modern Data Persistence in Java Applications
- Host: GitHub
- URL: https://github.com/humayan-kabir/spring-jpa-hibernate
- Owner: Humayan-Kabir
- Created: 2024-07-17T06:52:27.000Z (7 months ago)
- Default Branch: master
- Last Pushed: 2024-07-28T17:58:55.000Z (7 months ago)
- Last Synced: 2024-11-16T22:35:23.999Z (3 months ago)
- Topics: hibernate, spring-data-jpa, spring-jd, spring-mvc
- Language: Java
- Homepage:
- Size: 23.4 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# JDBC to Spring JPA with Hibernate
This repository demonstrates the process of transitioning from traditional JDBC to Spring JPA with Hibernate for data persistence in Java applications. It covers a range of topics from basic JDBC operations to advanced JPA features, providing a comprehensive guide for modernizing your data access layer.
## Contents
### Step 01: Basic JDBC Setup
- Introduction to JDBC.
- Setting up a basic JDBC connection.
- Performing CRUD operations using JDBC.
- Example project: `jdbc-basic-example`.
### Step 02: Introduction to JPA
- Overview of JPA.
- Setting up Spring JPA with Hibernate.
- Basic CRUD operations with Spring JPA.
- Example project: `jpa-basic-example`.
### Step 03: Entity Relationships
- Understanding entity relationships (One-to-One, One-to-Many, Many-to-One, Many-to-Many).
- Mapping entity relationships using JPA annotations.
- Example project: `jpa-entity-relationships`.
### Step 04: Advanced JPA Features
- JPQL (Java Persistence Query Language).
- Criteria API for dynamic queries.
- Entity lifecycle and callbacks.
- Example project: `jpa-advanced-features`.
### Step 05: Spring Data JPA
- Introduction to Spring Data JPA.
- Creating repositories and custom queries.
- Pagination and sorting.
- Example project: `spring-data-jpa-example`.
### Step 06: Performance Tuning
- Caching with JPA and Hibernate.
- Fetch strategies and lazy loading.
- Performance considerations and best practices.
- Example project: `jpa-performance-tuning`.
## How to Use
1. **Clone the Repository**:
```bash
git clone https://github.com/your-username/jdbc-to-spring-jpa-hibernate.git
```
2. **Navigate to the Desired Module**:
```bash
cd jdbc-to-spring-jpa-hibernate
```
3. **Follow the Instructions in Each Module**:
- Each module contains a README with detailed instructions and explanations.
4. **Run the Examples**:
- Use your preferred IDE to import and run the projects.
- Ensure you have the necessary dependencies and database setup as per the instructions.
## Prerequisites
- Basic knowledge of Java and SQL.
- Familiarity with Spring Framework and Hibernate is beneficial but not required.
This repository serves as a practical guide to modernizing your data access layer from JDBC to Spring JPA with Hibernate, providing hands-on examples and detailed explanations for each step.
### application.properties
```properties
spring.h2.console.enabled=true
spring.jpa.show-sql=true
spring.datasource.url=jdbc:h2:mem:testdb
```
---
### data.sql
```sql
create table person
(
id integer not null,
name varchar(255) not null,
location varchar(255),
birth_date timestamp,
primary key(id)
);
INSERT INTO PERSON (ID, NAME, LOCATION, BIRTH_DATE )
VALUES(10001, 'Ranga', 'Hyderabad',current_timestamp());
INSERT INTO PERSON (ID, NAME, LOCATION, BIRTH_DATE )
VALUES(10002, 'James', 'New York',current_timestamp());
INSERT INTO PERSON (ID, NAME, LOCATION, BIRTH_DATE )
VALUES(10003, 'Pieter', 'Amsterdam',current_timestamp());
```
---