This article provides some guidance on how to spot Database queries which are taking most of your time during the execution of a Spring Boot application.
Data Access
This section will teach you how to add database access to the Spring Boot applications using the following elements:
- A running database, whether initiated by/embedded within your application or
simply accessible to your application - Database drivers enabling programmatic access, usually provided by the database vendor
- A Spring Data module for accessing the target database.
Data validation in Spring Boot 2.3.0 and beyond
This short article discusses how to compile projects data using javax.validation packages for Spring Boot 2.3.0 (and newer) applications.
Solving the error Failed to auto-configure a DataSource: ‘spring.datasource.url’ is not specified
This tutorial will help you to solve the error Failed to auto-configure a DataSource: ‘spring.datasource.url’ is not specified in your Spring Boot applications.
Mapping DTOs in Spring Boot with MapStruct
This tutorial covers how to use MapStruct library to map automatically your Data Transfer Objects with your repository data. We will use the JPA layer of a Spring Boot application to access your data.
Hikari Connection Pool with Spring Boot made simple
HikariCP is a fast, simple, production ready JDBC connection pool. In this article we will learn how to configure it in Spring Boot applications. Then, we will cover how to monitor Hikari Connection Pool properties using Spring Boot actuator.
Spring Boot JPA application with PostgreSQL
In this tutorial we will learn how to create a basic CRUD Spring Boot application that uses PostgreSQL as database. We will be using Spring Boot CLI, then we will import the application into an IDE to create the full CRUD application.
How to use JPA Native Query in Spring Boot applications
Hibernate and JPA can both execute native SQL statements against a Database. In this tutorial we will learn how to map SQL native queries in Spring Boot applications.
How to debug SQL statements in Spring Boot applications
Spring boot auto-configuration does not require a dedicated logging configuration file. So, in order to debug your SQL Statements in Spring Boot applications, by default can use the following settings in your application.properties file: logging.level.org.hibernate.SQL=DEBUG logging.level.org.hibernate.type.descriptor.sql.BasicBinder=TRACE When this configuration is added, you will be able to see: 1) Each SQL Statement executed 2) The timing … Read more
SpringBoot with JPA example
In this tutorial we will learn how to create a basic application using Spring Boot and JPA. We will create the application with Spring Boot CLI, then import it into an IDE to include JPA classes.
GraphQL tutorial for Spring Boot developers
GraphQL is a specialized query language which gives us an alternative a more flexible approach to managing data in our application than restful design. In this tutorial we will learn how to use GraphQL with a Spring Boot application.