Curso Completo de Bases de Datos. Aprende SQL y MySQL

Curso Completo de Bases de Datos. Aprende SQL y MySQL — un Udemy course creado por Álvaro Chirou y su equipo de expertos. Updated July 2026, this free [SQL] training delivers a full‑stack online course that starts from zero and ends with real‑world MySQL projects. It targets anyone searching for a free bases de datos course, SQL Udemy course, or learn bases de datos online and promises a certification‑ready skill set for developers, analysts, and tech professionals.

What You'll Learn

• Build relational database schemas from scratch using MySQL and industry‑standard naming conventions.
• Master SQL query syntax to filter, join, and aggregate data across multiple tables.
• Learn how to create and manage database views that simplify complex reporting tasks.
• Understand transaction control, including COMMIT, ROLLBACK, and isolation levels for data integrity.
• Create stored procedures and functions that encapsulate business logic inside the database.
• Implement triggers (disparadores) to automate actions on INSERT, UPDATE, and DELETE events.
• Apply cardinality concepts to model one‑to‑many and many‑to‑many relationships accurately.
• Analyze how to integrate MySQL databases with web applications using PHP or Node.js connectors.

Course Details

• Instructor: Álvaro Chirou (with Walter Coto and Kevin García)
• Rating: 4.6 stars
• Language: Español (es‑ES)
• Includes: Lifetime access, mobile‑friendly video lessons, unlimited Q&A support from the instructors

What This Course Covers

Módulo 1 – Fundamentos de Bases de Datos

• Definición y tipos de bases de datos relacionales vs. no relacionales.
• Principios de normalización y desnormalización.
• Modelado entidad‑relación (ER) y diagramas de flujo de datos.

Módulo 2 – Introducción a SQL y MySQL

• Sintaxis básica: SELECT, FROM, WHERE, ORDER BY.
• Operadores lógicos y funciones de agregación (COUNT, SUM, AVG).
• Configuración de un servidor MySQL local y conexión mediante cliente CLI.

Módulo 3 – Consultas Avanzadas y Vistas

• Joins internos, externos y auto‑joins para combinar tablas.
• Subconsultas y CTE (Common Table Expressions).
• Creación y mantenimiento de vistas para reportes reutilizables.

Módulo 4 – Triggers y Procedimientos Almacenados

• Definición y casos de uso de triggers (antes y después de la operación).
• Escritura de stored procedures con parámetros de entrada y salida.
• Manejo de errores y depuración dentro del motor MySQL.

Módulo 5 – Transacciones y Control de Concurrencia

• Principios ACID y su importancia en entornos multi‑usuario.
• Uso de BEGIN, COMMIT y ROLLBACK para garantizar consistencia.
• Configuración de niveles de aislamiento y bloqueo de filas.

Módulo 6 – Bases de Datos en la Web

• Conexión de MySQL a aplicaciones PHP y Node.js mediante PDO y mysql2.
• Seguridad: uso de consultas preparadas y gestión de usuarios.
• Despliegue de bases de datos en servicios cloud como Amazon RDS y Azure Database.

Who Should Take This Course

• Beginners who have never written a SQL statement and need a solid foundation.
• Junior developers aiming to add database expertise to their résumé.
• Data analysts who require reliable query skills for reporting dashboards.
• IT professionals transitioning to database administration or backend engineering roles.
• Entrepreneurs building data‑driven web applications and needing self‑hosted storage solutions.

Prerequisites

• No prior experience needed — this course is beginner‑friendly.
• Basic computer literacy and ability to install software on a personal computer.
• Recommended: familiarity with any programming language (e.g., Python, JavaScript) to accelerate the web‑integration sections.

Why Enroll in This Course

This Udemy training delivers a complete, up‑to‑date curriculum that matches industry standards for MySQL and SQL. A free coupon provides 100 % off for a limited time, making the certification‑ready content accessible without financial barriers. The course stands out because it combines theoretical foundations with hands‑on labs, live instructor support, and lifetime updates that keep your skills current.

Course Highlights

• Lifetime access to all video lessons, quizzes, and supplemental files.
• Self‑paced learning allows you to progress according to your own schedule.
• Certificate of completion that you can add to LinkedIn or a résumé.
• Practical projects that simulate real‑world database design and integration.
• Mobile‑friendly interface lets you study on smartphones or tablets.
• Responsive Q&A forum where instructors answer every student question.

Frequently Asked Questions

Q: Is this course really free?
A: Yes, the current promotion grants 100 % off the regular price, giving you full access to all modules at no cost. The free coupon is available for a limited period, so you should enroll soon to secure the discount.

Q: What will I learn in this bases de datos course?
A: You will master SQL syntax, design normalized schemas, build views, write stored procedures, configure triggers, manage transactions, and integrate MySQL with web applications. The curriculum covers both theory and practical implementation.

Q: Do I get a certificate after completing this course?
A: Upon finishing all lessons and passing the built‑in quizzes, Udemy issues a downloadable certificate of completion, which you can share on professional networks or include in job applications.

Q: Is this course suitable for beginners?
A: Absolutely. The instructor starts from zero, explains fundamental concepts, and provides step‑by‑step labs that require no prior database experience.

Q: How long do I have to enroll for free?
A: The free coupon remains active until the limited‑time offer expires, typically within a few weeks. Enrolling now guarantees you keep the 100 % discount for lifetime access.

Final Thoughts

Curso Completo de Bases de Datos. Aprende SQL y MySQL equips beginners and intermediate learners with the full toolkit needed to design, query, and maintain modern relational databases. If you want to master SQL, earn a certification, and apply MySQL to real‑world projects, this free Udemy course is the ideal starting point. Begin your learning journey today and transform data into actionable insight.