Tag: postgresql

Spring Boot R2DBC + PostgreSQL example

bezkoder

In this tutorial, we’re gonna build a Spring Boot R2DBC example – CRUD application with PostgreSQL Database using Spring Data Reactive (R2DBC) and WebFlux for REST API. You’ll know:

  • How to configure Spring Data Reactive, R2DBC to work with PostgreSQL Database
  • How to define Data Models and Repository interfaces
  • Way to create Spring Rest Controller to process HTTP requests
  • Way to use Spring Data R2DBC to interact with PostgreSQL Database

More Practice:
– Spring WebFlux File upload example
– Spring Boot R2DBC + H2 example
– Spring Boot R2DBC + MySQL example
– Spring Boot Thymeleaf CRUD example
– Secure Spring Boot App with Spring Security & JWT Authentication
– Spring Boot Rest XML example – Web service with XML Response
– Spring Boot Multipart File upload example
– Spring Boot Pagination and Sorting example

Associations:
– Spring Boot One To One example with JPA, Hibernate
– Spring Boot One To Many example with JPA, Hibernate
– Spring Boot Many to Many example with JPA, Hibernate

Fullstack:
– Vue + Spring Boot + PostgreSQL example
– Angular 8 + Spring Boot + PostgreSQL example
– Angular 10 + Spring Boot + PostgreSQL example
– Angular 11 + Spring Boot + PostgreSQL example
– Angular 12 + Spring Boot + PostgreSQL example
– Angular 13 + Spring Boot + PostgreSQL example
– Angular 14 + Spring Boot + PostgreSQL example
– Angular 15 + Spring Boot + PostgreSQL example
– React + Spring Boot + PostgreSQL example

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Angular 15 + Node.js Express + PostgreSQL example: CRUD App

bezkoder

In this tutorial, I will show you how to build a full-stack (Angular 15 + Node.js + Express + PostgreSQL) example with a CRUD Application. The back-end server uses Node.js + Express for REST APIs, front-end side is an Angular App with HttpClient and Router.

Related Posts:
– Server side Pagination with Node.js and Angular
– File Upload using Angular and Node.js
– Angular + Node.js Express: JWT Authentication & Authorization example

Run both projects in one place:
How to Integrate Angular with Node.js Restful Services

Serverless with Firebase:
– Angular 15 Firebase Database CRUD example
– Angular 15 Firestore CRUD example

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Spring Boot + Angular 15 + PostgreSQL example: CRUD App

bezkoder

In this tutorial, we will learn how to build a full stack Angular 15 + Spring Boot + PostgreSQL example with a CRUD App. The back-end server uses Spring Boot with Spring Web MVC for REST Controller and Spring Data JPA for interacting with PostgreSQL database. Front-end side is made with Angular 15, HttpClient, Router and Bootstrap 4.

Older versions:
– Angular 10 + Spring Boot + PostgreSQL example
– Angular 11 + Spring Boot + PostgreSQL example
– Angular 12 + Spring Boot + PostgreSQL example
– Angular 13 + Spring Boot + PostgreSQL example
– Angular 14 + Spring Boot + PostgreSQL example

Security: Angular 15 + Spring Boot: JWT Authentication example
Upload: Angular 15 + Spring Boot: File upload/download example
Pagination: Angular + Spring Boot: Pagination example

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JPA – filter by multiple Columns

bezkoder

In this tutorial, I will show you how to use JPA Repository to find by multiple fields example. At the end, you will know way to filter by multiple Columns using 3 ways: Derived Query, JPQL and Native Query.

Related Posts:
– Spring JPA Derived Query example
– Spring JPA Native Query example
– Spring JPA @Query example with JPQL
– JPA EntityManager example in Spring Boot
– Spring Boot Pagination and Sorting example
– Spring Boot File upload example
– Spring Boot Authentication with Spring Security & JWT
– Spring JPA + H2 example
– Spring JPA + MySQL example
– Spring JPA + PostgreSQL example
– Spring JPA + Oracle example
– Spring JPA + SQL Server example

Associations:
– JPA One To One example with Hibernate in Spring Boot
– JPA One To Many example with Hibernate and Spring Boot
– JPA Many to Many example with Hibernate in Spring Boot

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JPA/Hibernate One To One unidirectional mapping in Spring Boot

bezkoder

In this tutorial, I will show you how to implement Spring JPA One-To-One unidirectional mapping with Hibernate in a Spring Boot example using @OneToOne annotation. You’ll know:

  • How to configure Spring Data, JPA, Hibernate to work with Database
  • How to define Data Models and Repository interfaces for JPA One-To-One relationship
  • Way to use Spring JPA to interact with Database for One-To-One association
  • Way to create Spring Rest Controller to process HTTP requests

Related Posts:
– JPA One To Many example with Hibernate and Spring Boot
– JPA Many to Many example with Hibernate in Spring Boot
– Validate Request Body in Spring Boot
– Spring Boot Token based Authentication with Spring Security & JWT
– Spring JPA + H2 example
– Spring JPA + MySQL example
– Spring JPA + PostgreSQL example
– Spring JPA + Oracle example
– Spring JPA + SQL Server example
– Documentation: Spring Boot + Swagger 3 example (with OpenAPI 3)
– Caching: Spring Boot Redis Cache example

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