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    <title>DEV Community: Nikolay Ladanov</title>
    <description>The latest articles on DEV Community by Nikolay Ladanov (@ladanovnick).</description>
    <link>https://dev.to/ladanovnick</link>
    <image>
      <url>https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1811122%2F0981c80b-6a4f-412f-90d1-ddb94eeaecac.jpg</url>
      <title>DEV Community: Nikolay Ladanov</title>
      <link>https://dev.to/ladanovnick</link>
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    <item>
      <title>Los 7 Mejores Sitios Web para Aprender SQL Gratis</title>
      <dc:creator>Nikolay Ladanov</dc:creator>
      <pubDate>Sat, 20 Jul 2024 18:51:33 +0000</pubDate>
      <link>https://dev.to/ladanovnick/los-7-mejores-sitios-web-para-aprender-sql-gratis-c3i</link>
      <guid>https://dev.to/ladanovnick/los-7-mejores-sitios-web-para-aprender-sql-gratis-c3i</guid>
      <description>&lt;p&gt;¿Te interesa convertirte en un experto en la gestión y consulta de bases de datos sin gastar dinero? Descubre los mejores sitios web para aprender SQL gratis y adquiere las habilidades y conocimientos necesarios para dominar este lenguaje esencial de bases de datos.&lt;/p&gt;

&lt;h2&gt;
  
  
  Los 7 Mejores Sitios Web para Aprender SQL Gratis
&lt;/h2&gt;

&lt;div class="table-wrapper-paragraph"&gt;&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;Nombre&lt;/th&gt;
&lt;th&gt;Calificación&lt;/th&gt;
&lt;th&gt;Enlace al Sitio Web&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;SQL Academy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sql-academy.org/en" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Codecademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.codecademy.com/courses/learn-sql/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Udacity&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.udacity.com/course/intro-to-relational-databases--ud197" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SQL Bold&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlbolt.com/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Datacamp&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://app.datacamp.com/learn/skill-tracks/sql-fundamentals" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Khanacademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.khanacademy.org/computing/computer-programming/sql" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SqlZoo&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlzoo.net/wiki/SQL_Tutorial" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;/div&gt;

&lt;h2&gt;
  
  
  SQL Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQL Academy ofrece un curso interactivo accesible, perfecto para principiantes interesados en aprender SQL. El curso desglosa cómo construir consultas SQL de manera clara y comprensible. Cada tema es seguido por ejercicios diseñados para reforzar el material. Además, el sitio incluye más de 100 desafíos, clasificados por dificultad, para ayudarte a mejorar tus habilidades en la escritura de consultas SQL.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  Codecademy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;El curso interactivo de SQL de Codecademy está diseñado para principiantes y proporciona un enfoque práctico y manos a la obra para aprender SQL. El curso “Learn SQL” cubre los fundamentos necesarios para gestionar grandes conjuntos de datos y realizar análisis de datos. Abierto a todos, independientemente de la experiencia previa, incluye cuatro lecciones, cinco proyectos y cuatro cuestionarios, con aproximadamente 5 horas de contenido. Este curso es ideal para aquellos interesados en ciencia de datos, análisis o ingeniería.&lt;/p&gt;

&lt;h2&gt;
  
  
  Udacity “Intro to Relational Databases”
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;El curso “Intro to Relational Databases” de Udacity es un completo tutorial en video que lleva a los estudiantes desde temas básicos hasta intermedios de SQL. Incluye ejercicios de codificación que deben ejecutarse en tu propio entorno, ya que el curso no proporciona pruebas de codificación interactivas. Esto lo convierte en una excelente opción para los aprendices visuales que prefieren los tutoriales en video.&lt;/p&gt;

&lt;h2&gt;
  
  
  SQL Bolt
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLBolt ofrece una plataforma interactiva que enseña SQL a través de una serie de lecciones y ejercicios. Está diseñada para enseñar SQL de manera rápida y práctica a usuarios tanto técnicos como no técnicos directamente en su navegador. La plataforma cubre temas esenciales como consultas, manipulación y transformación de datos en una base de datos relacional. Cada lección termina con ejercicios interactivos, asegurando que los estudiantes puedan aplicar lo que han aprendido de inmediato.&lt;/p&gt;

&lt;h2&gt;
  
  
  Datacamp
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;El camino de aprendizaje “SQL Fundamentals” de Datacamp es una ruta de aprendizaje extensiva que imparte habilidades esenciales de SQL. Comprende siete cursos y un proyecto, con un total de aproximadamente 26 horas de contenido. Comenzando con los conceptos básicos de SQL, avanza hacia temas más avanzados como resumir y unir tablas, utilizar funciones de ventana y aprovechar las funciones de PostgreSQL para el análisis de datos.&lt;/p&gt;

&lt;h2&gt;
  
  
  Khan Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;El curso “Intro to SQL: Querying and Managing Data” de Khan Academy combina tutoriales en video con desafíos de codificación interactivos para crear una experiencia de aprendizaje integral. Las lecciones en video, presentadas a nivel de línea de comandos, ilustran conceptos a través del código. Los frecuentes desafíos de codificación refuerzan el material, haciendo que este curso sea ideal para aquellos que disfrutan del aprendizaje visual combinado con la práctica práctica.&lt;/p&gt;

&lt;h2&gt;
  
  
  SQLZoo
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLZoo proporciona una plataforma tutorial interactiva y amigable para principiantes. Ofrece lecciones y proyectos que comienzan con funciones básicas como COUNT, SUM y AVG y avanzan hacia temas más intermedios. Las lecciones se centran en desafíos de codificación interactivos y sencillos, lo que lo convierte en un recurso excelente para aquellos que prefieren aprender SQL a través de ejercicios prácticos y concisos.&lt;/p&gt;

&lt;h2&gt;
  
  
  Conclusión
&lt;/h2&gt;

&lt;p&gt;Estos sitios web altamente calificados ofrecen diversas metodologías para aprender SQL, desde ejercicios interactivos hasta tutoriales en video. Ya sea que seas un novato o busques mejorar tus habilidades existentes en SQL, estos recursos gratuitos proporcionan una base sólida para dominar SQL. ¡Comienza tu camino para convertirte en un experto en SQL hoy mismo!&lt;/p&gt;

</description>
    </item>
    <item>
      <title>Top 7 Websites to Learn SQL for Free 2024</title>
      <dc:creator>Nikolay Ladanov</dc:creator>
      <pubDate>Sat, 20 Jul 2024 18:49:24 +0000</pubDate>
      <link>https://dev.to/ladanovnick/top-7-websites-to-learn-sql-for-free-2024-hhl</link>
      <guid>https://dev.to/ladanovnick/top-7-websites-to-learn-sql-for-free-2024-hhl</guid>
      <description>&lt;p&gt;Curious about becoming proficient in managing and querying databases without any financial investment? Discover the top free websites to learn SQL and gain the expertise needed to master this essential database language.&lt;/p&gt;

&lt;h2&gt;
  
  
  Top 7 Websites to Learn SQL for Free
&lt;/h2&gt;

&lt;div class="table-wrapper-paragraph"&gt;&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;Name&lt;/th&gt;
&lt;th&gt;Rating&lt;/th&gt;
&lt;th&gt;Website Link&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;SQL Academy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sql-academy.org/en" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Codecademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.codecademy.com/courses/learn-sql/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Udacity&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.udacity.com/course/intro-to-relational-databases--ud197" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SQL Bold&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlbolt.com/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Datacamp&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://app.datacamp.com/learn/skill-tracks/sql-fundamentals" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Khanacademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.khanacademy.org/computing/computer-programming/sql" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SqlZoo&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlzoo.net/wiki/SQL_Tutorial" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;/div&gt;

&lt;h2&gt;
  
  
  SQL Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQL Academy offers an accessible, interactive course perfect for beginners eager to learn SQL. The course breaks down how to construct SQL queries in a clear, understandable manner. Each topic is followed by exercises designed to reinforce the material. Additionally, the site includes over 100 challenges, ranked by difficulty, to help you hone your SQL query writing skills.&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  Codecademy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Codecademy’s interactive SQL course is tailored for beginners and provides a practical, hands-on approach to learning SQL. The “Learn SQL” course covers the fundamentals needed to manage large datasets and perform data analysis. Open to all, regardless of prior experience, it features four lessons, five projects, and four quizzes, with approximately 5 hours of content. This course is ideal for those interested in data science, analytics, or engineering.&lt;/p&gt;

&lt;h2&gt;
  
  
  Udacity “Intro to Relational Databases”
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Udacity’s “Intro to Relational Databases” is a comprehensive video-based course that takes students from beginner to intermediate SQL topics. It includes coding exercises that need to be executed in your own environment since the course does not provide interactive coding tests. This makes it a great fit for visual learners who prefer video tutorials.&lt;/p&gt;

&lt;h2&gt;
  
  
  SQL Bolt
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLBolt offers an interactive platform that teaches SQL through a series of lessons and exercises. It is designed to quickly and practically teach SQL to both technical and non-technical users directly in their browser. The platform covers essential topics like querying, manipulating, and transforming data in a relational database. Each lesson ends with interactive exercises, ensuring learners can apply what they’ve learned immediately.&lt;/p&gt;

&lt;h2&gt;
  
  
  Datacamp
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Datacamp’s “SQL Fundamentals” track is an extensive learning path that imparts essential SQL skills. It comprises seven courses and one project, totaling approximately 26 hours of content. Starting with SQL basics, it progresses to more advanced topics such as summarizing and joining tables, using window functions, and leveraging PostgreSQL functions for data analysis.&lt;/p&gt;

&lt;h2&gt;
  
  
  Khan Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Khan Academy’s “Intro to SQL: Querying and Managing Data” combines video tutorials with interactive coding challenges to create a comprehensive learning experience. The video lessons, presented at the command-line level, illustrate concepts through code. Frequent coding challenges reinforce the material, making this course ideal for those who enjoy visual learning coupled with hands-on practice.&lt;/p&gt;

&lt;h2&gt;
  
  
  SQLZoo
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLZoo provides a beginner-friendly, interactive tutorial platform. It features lessons and projects starting from basic functions like COUNT, SUM, and AVG and advancing to more intermediate topics. The lessons are focused on straightforward, interactive coding challenges, making it an excellent resource for those who prefer learning SQL through concise, practical exercises.&lt;/p&gt;

&lt;h2&gt;
  
  
  Conclusion
&lt;/h2&gt;

&lt;p&gt;These top-rated websites offer a variety of approaches to learning SQL, from interactive exercises to video tutorials. Whether you’re a novice or looking to enhance your existing SQL skills, these free resources provide a robust foundation for mastering SQL. Start your journey to becoming an SQL expert today!&lt;/p&gt;

</description>
      <category>sql</category>
    </item>
    <item>
      <title>想要不花一分钱就能像专家一样管理和查询数据库吗？探索最佳的免费SQL学习网站，掌握这门重要的数据库语言所需的技能和知识。</title>
      <dc:creator>Nikolay Ladanov</dc:creator>
      <pubDate>Sat, 20 Jul 2024 18:38:35 +0000</pubDate>
      <link>https://dev.to/ladanovnick/best-free-online-platform-2024-to-learn-sql-34jl</link>
      <guid>https://dev.to/ladanovnick/best-free-online-platform-2024-to-learn-sql-34jl</guid>
      <description>&lt;p&gt;想在沒有任何財務投資的情況下熟練地管理和查詢資料庫嗎？探索頂級免費網站來學習 SQL 並獲得掌握此基本資料庫語言所需的專業知識。&lt;/p&gt;

&lt;h2&gt;
  
  
  免费学习SQL的最佳七个网站
&lt;/h2&gt;

&lt;div class="table-wrapper-paragraph"&gt;&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;名称&lt;/th&gt;
&lt;th&gt;评分&lt;/th&gt;
&lt;th&gt;网站链接&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;SQL Academy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sql-academy.org/en" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Codecademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.codecademy.com/courses/learn-sql/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Udacity&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.udacity.com/course/intro-to-relational-databases--ud197" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SQL Bold&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlbolt.com/" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Datacamp&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://app.datacamp.com/learn/skill-tracks/sql-fundamentals" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Khanacademy&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://www.khanacademy.org/computing/computer-programming/sql" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;SqlZoo&lt;/td&gt;
&lt;td&gt;⭐️ ⭐️&lt;/td&gt;
&lt;td&gt;&lt;a href="https://sqlzoo.net/wiki/SQL_Tutorial" rel="noopener noreferrer"&gt;The website link&lt;/a&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;/div&gt;

&lt;h2&gt;
  
  
  SQL Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fbutjr0ms558hawfojpli.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQL Academy 提供了一个适合初学者的互动课程，完美地解释了如何构建SQL查询。每个主题后面都有练习，以帮助巩固所学的内容。此外，网站还提供了超过100个按难度分级的挑战，用于练习SQL查询编写技能。&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F920ct2rcsgzpar2o0s59.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  Codecademy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fclss3z09iydwoxz7cga0.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Codecademy 的互动SQL课程针对初学者，提供了一种实用的、动手学习SQL的方法。“Learn SQL”课程涵盖了管理大数据集和进行数据分析所需的基础知识。该课程无需任何前置条件，适合任何对数据科学、分析或工程感兴趣的人。课程包括四个单元、五个项目和四个测验，总时长约为5小时，非常适合对数据科学、分析或工程感兴趣的人。&lt;/p&gt;

&lt;h2&gt;
  
  
  Udacity “Intro to Relational Databases”
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F9lrna8rojfnj488zwrlm.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Udacity 的“关系数据库入门”是一门全面的视频教程，涵盖从初级到中级的SQL主题。课程包括代码练习，但学生需要在自己的运行环境中执行这些练习，因为课程不提供互动的代码测试。对于喜欢视频教程的视觉学习者来说，这是一个理想的选择。&lt;/p&gt;

&lt;h2&gt;
  
  
  SQL Bolt
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fchrse7szfa0gk9pxam2y.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLBolt 提供了一个通过一系列课程和练习来教授SQL的互动平台。它旨在快速、实际地在浏览器中向技术和非技术用户教授SQL。该平台涵盖了查询、操作和转换关系数据库中的数据的基本内容。每课结束时都有互动练习，确保学习者能立即应用所学内容。&lt;/p&gt;

&lt;h2&gt;
  
  
  Datacamp
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F7wy979ebipqc8ezt25jd.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Datacamp 的“SQL基础”路径是一个全面的学习路径，传授基本的SQL技能。它包括七门课程和一个项目，总时长约为26小时。从SQL基础知识开始，逐步深入到更复杂的主题，如汇总和连接表、使用窗口函数以及利用PostgreSQL函数进行数据分析。&lt;/p&gt;

&lt;h2&gt;
  
  
  Khan Academy
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fck737yyh4nat8qeg4ppi.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Khan Academy 的“SQL入门：查询和管理数据”结合了视频教程和互动编码挑战，创造了一个全面的学习体验。视频课程以命令行级别展示，通过代码清晰地说明概念。频繁的编码挑战伴随这些课程，用各种问题集巩固所学内容。对于喜欢视觉教学和动手编码练习的学习者来说，这门课程是理想的选择。&lt;/p&gt;

&lt;h2&gt;
  
  
  SQLZoo
&lt;/h2&gt;

&lt;p&gt;&lt;a href="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media.dev.to/cdn-cgi/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Flf10nqx25472xzxlbw62.png" alt="Image description" width="800" height="393"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;SQLZoo 提供了一个适合初学者的互动教程平台。它的课程和项目从基本函数如COUNT、SUM和AVG开始，逐步深入到中级项目。课程专注于简单明了的互动编码挑战，使其成为那些喜欢通过简洁、实用练习学习SQL的学生的优秀资源。&lt;/p&gt;

&lt;h2&gt;
  
  
  结论
&lt;/h2&gt;

&lt;p&gt;这些顶级网站提供了多种学习SQL的方法，从互动练习到视频教程。无论你是初学者还是希望提高现有SQL技能，这些免费资源都能为你打下坚实的基础。今天就开始你的SQL专家之旅吧！&lt;/p&gt;

</description>
      <category>sql</category>
    </item>
  </channel>
</rss>
