Java Web

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This section dives into the world of relational and non-relational databases, teaching you how to visually represent database structures.

We'll dive deep into relational databases, giving you a thorough understanding of essential concepts. This includes topics like foreign keys, various ON DELETE options, and the different types of relationships.

Ready to build a database? This section will hone your skills, emphasizing the importance of a well-structured database for peak performance. Here, you'll grasp the fundamental principles of crafting user-friendly databases.

En esta sección, aprenderá a agrupar y trabajar con dichos datos. Para ello, nos familiarizaremos con un operador como GROUP BY. También aprenderás a filtrar datos agrupados utilizando el operador HAVING.

En esta sección, aprenderás qué son las subconsultas anidadas, cómo crearlas y cómo trabajar con ellas.

En esta sección, aprenderá cómo puede combinar varias tablas, trabajando así con una tabla común, lo que simplificará la creación de consultas.

Aprende los fundamentos del Lenguaje de Definición de Datos (DDL) y del Lenguaje de Manipulación de Datos (DML) en SQL, incluyendo cómo crear, modificar y eliminar objetos de la base de datos, así como también cómo insertar, actualizar y eliminar datos dentro de las tablas.

Why do we need a database? How does the interaction between a database and code work? What tools are used for different types of databases? You will learn all about this in this section!

This section will tell you how to set up and use Hibernate. You will learn how this framework works, what ORM is, and how to work with databases efficiently. You will also learn to write basic operations with a connected database, demonstrating your skills in practice!

In this section, we will complete work on the project's foundation for employee management in the company. We will add the remaining operations and one more entity.

Explore el funcionamiento interno de la web. Aprenda cómo viajan los datos a través de las redes, descubra el papel de los protocolos y desentrañe los misterios de las direcciones IP y los nombres de dominio. Adquirir una comprensión de alto nivel de cómo los navegadores web y servidores se comunican para entregar contenido web.

Descubra el poder de las tags para estructurar contenidos, desde títulos y párrafos hasta listas y tablas. Aprende a mejorar los elementos con atributos.

El núcleo de la estructura de los documentos HTML. Conozca los componentes de un documento HTML, incluyendo la declaración doctype, head y body. Entender el propósito de cada elemento y cómo contribuyen a la estructura general de una página web.

Hacer más atractiva una página web con la ayuda de medios como imágenes, audio y vídeo. Trabajar con datos tabulares estructurados en forma de tablas.

Explore la versatilidad de los formularios HTML. Aprenda a diseñar formularios intuitivos y fáciles de usar aprovechando conceptos y técnicas clave. Descubra cómo los formularios permiten la interacción del usuario y el envío de datos en los sitios web.

You’ll learn the basics of backend development, including how the HTTP protocol works and the differences between HTTP and HTTPS. You’ll also study HTTP status codes and data formats like JSON and XML for transferring information between client and server.

In this section, we will dive into the essential concepts of backend development using Spring. We will cover various topics, including an introduction to Spring, the principles of Inversion of Control (IoC) and Dependency Injection (DI), the structure of a Spring Boot project, Spring MVC, three-tier architecture, and task management. Each chapter will build upon the previous one to provide a comprehensive understanding of backend development in a Spring environment.

This section covers the fundamentals and practical implementation of RESTful APIs, starting with the theoretical understanding of REST and its core principles. It also includes building your own API, working with DTOs, handling exceptions, integrating Swagger for documentation, and testing the API.

This section covers the basics of working with relational databases, including connection setup, migrations, and interaction with Object-Relational Mappers (ORM) using JPA and Hibernate. It discusses how to integrate databases with Spring Boot applications and explores key aspects of transaction management to ensure data integrity. The goal of this section is to enhance your database skills and promote their effective use in application development.

This section focuses on testing backend applications and covers essential topics such as the fundamentals of testing, unit testing using JUnit, and integration testing. It also explores the use of mock objects with the Mockito library to create effective and isolated tests. This section will help developers understand the importance of testing and learn how to utilize tools to enhance the quality and reliability of their applications.

This section provides an introduction to Redis, highlighting its core features and common use cases. You’ll learn how to install Redis on different platforms, including Windows and macOS, and get familiar with the basics of connecting to and starting the Redis server.

Here, we explore the essential Redis commands for managing and manipulating data effectively. You'll learn how to set, retrieve, increment, and delete data using commands like SET, GET, EXISTS, INCR, DECR, and tackle practical tasks to apply these concepts in real-world scenarios.

Here, you will learn about key Redis data types, including Lists, Sets, Sorted Sets, and Hashes. You will explore their functionality and practical applications through focused exercises designed to reinforce your understanding of each data type.

You'll explore advanced features of Redis, including managing key lifecycles, executing transactions, and leveraging the Pub/Sub messaging system. Additionally, you'll learn essential security practices to safeguard your Redis environment against unauthorized access.

This section introduces the fundamentals of caching and demonstrates how to configure Redis as a cache in a Spring application. It covers key caching annotations and practical examples of caching queries in web applications, concluding with a summary of the main concepts.