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AWS Launch Configuration Tutorial

In this tutorial, we’ll learn about launch configurations in Amazon AWS and how to use the AWS EC2 console to create an AWS Launch configuration. 1. Introduction A launch configuration, as the name says, is a template for configuring instances. An Amazon EC2 Auto Scaling group uses a launch configuration to launch EC2 instances. These instances are configured in line ...

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Modules of Spring Architecture

In this article, we’ll look at the Spring Framework architecture, how its modules works, and the benefits of using this powerful environment. 1. Introduction Since Spring Framework is a Java based platform, it provides a comprehensive and solid software infrastructure while we can focus on the aspects of our application. In other words, Spring Framework handle all the base of ...

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Java Spring Boot Tutorial

This is a tutorial about Java Spring Boot which makes it easy to create stand-alone, production-grade Spring-based Applications that you can “just run”. It takes an opinionated view of the platform and third-party libraries so you can get started with minimum fuss. You can also check this tutorial in the following video: Java Spring Boot Tutorial – video 1. Introduction ...

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What is JBoss Application Server

In this article, we will explain what is JBoss application server in Java. More specifically, we are going to see the JBoss Wildly admin module which manages the applications deployed on its server. Wildfly server was a JBoss application server during the initial releases. In this article, the JBoss Application server is discussed in detail. 1. Introduction A JBoss WildFly ...

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SQL Rename Database

In this article, we will explain how to rename a database using SQL. 1. Introduction In this article, we will look at one of the Data Definition Language or data description language (DDL) concepts called Rename the Database. We will see how we do this in the MySQL database. 1.1 What is Data definition language? In SQL, Data definition language ...

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Apache Kafka Basic Operations Tutorial

This is a turorial about the Apache Kafka Basic Operations. 1. Introduction Apache Kafka is a streaming process software platform. In this example, I will show the following basic operations with a Windows computer: How to start/stop serverHow to create and list topicsHow to consume messages from a topic 2. Technologies Used The example commands in this article uses: Apache ...

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SQL Create Table Example

This article focuses on the functionality and usage of the SQL Create Table command. A Relational Database Management System stores data in form of relations. A relation comprises of tuples and attributes. In layman terms, relation means a table comprising of rows and columns. A tuple is a row, whereas an attribute is a column. 1. Pre-requisites You can implement ...

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Spring Boot Version

In this article, we’ll see some information about Java Spring Boot versions and how to build a project using Maven and Gradle. 1. Introduction Spring Boot is one of the most used Java frameworks nowadays. This powerful tool helps developers to quickly implement and deliver an application with the best practices, using a consistent integration between all his libraries and ...

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Spring Batch ClassifierCompositeItemWriter Example

This is an in-depth article related to the Spring Batch Classifier with ClassifierCompositeItemWriter. 1. Introduction Spring Batch is a processing framework designed for the robust execution of jobs. Spring Batch Framework is an open-source library for batch processing. Batch Processing is the execution of a series of jobs. Spring Batch has classes and APIs to read/write resources, job creation, job ...

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SQL SELECT Statement Example

1. Introduction In this article, we will look at one of the most used clauses used in SQL known as SELECT. 1.1 What is SQL? In 1974, Donald Chamberlin and Robert Boyce designed a programming language called SQL or “sequel”. It is based on relational algebra and tuple-relational calculus. So, this is the programming language for designing and maintaining a ...

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