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SQL - The Complete Developer's Guide (MySQL, PostgreSQL) (Udemy.com)

From data definition to manipulation (CRUD, relations, JOIN): Learn SQL for MySQL, Postgresql & more from the ground up!

Created by: Academind by Maximilian Schwarzmüller

Last updated November 2025

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What you will learn

  • Understand the core SQL syntax and concepts
  • Be able to install MySQL & PostgreSQL + different clients
  • Perform SQL CRUD operations
  • Query and filter (simple and complex) data
  • Normalize data and split data across multiple tables
  • Merge data and perform data aggregation operations

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Overall Score : 96 / 100

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Course Description

SQL is THE most important query language you can learn!

It's used by many popular relational database management systems like MySQL or PostgreSQL. Additionally it's also used by data analysis and big data frameworks and tools like Apache Spark.

Knowing SQL opens up an endless amount of opportunities and jobs - no matter if you're going to work with relational databases or if you're becoming a data scientist, knowing SQL will be key!

This course teaches you SQL from the ground up and in extremely high detail! In addition, this course comes with two main paths that you can take: 

  1. The "Complete Course" path where you go through the entire course, step by step, learning about ALL the key features and concepts you have to know

  2. The "Quick Summary" path where you will learn the key SQL essentials within a few hours

Both paths are included in this course (i.e. with one single purchase) and you can switch between them or take both - simply as it makes most sense for you! Just dive into the free first course section to learn all about this course and these two paths (and how to take them).

SQL is a standardized language and therefore learning SQL will help you apply it in all kinds of contexts. Nonetheless, different database systems also support different aspects of SQL or bring their own variations of the SQL language. Therefore, this course dives into SQL by exploring all key features at the example of the two most popular database systems: MySQL and PostgreSQL. All query and command examples are shown for both database systems, ensuring that you feel comfortable working with SQL in either environment!

This course will enable you to write your own (simple or complex) SQL queries, create basic or advanced databases and table structures and work with data of different shape and complexity!

In detail, you will learn:

  • What exactly SQL is and how the core syntax looks like

  • How to write SQL commands

  • How to install MySQL & PostgreSQL as well as various clients

  • How to create and structure database tables

  • Which data types you may use and when to use which data type

  • How to perform CRUD operations: Create, Read, Update & Delete Data

  • How to insert data into tables

  • How to query and filter data

  • Why you should split data across multiple tables (and how to do that)

  • How to join (merge) data into combined result sets

  • How to write basic and more complex queries

  • How to aggregate and group data

  • How to use built-in database functions to work with numbers, text or dates

  • How to optimize databases with indexes

  • And much, much more!

Explore the full course curriculum to get a thorough overview of the course content and watch the free preview section to learn how this course will help you!

This course also comes with a 30 day refund period, so that you can try it risk-free :)

We'd love to welcome you on board of this course and explore SQL together with you!

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Instructor Details

Academind by Maximilian Schwarzmüller

Bundling the courses and know how of successful instructors, Academind strives to deliver high quality online education. 

Online Education, Real-Life Success - that's what Academind stands for. Learn topics like web development, data analyses and more in a fun and engaging way.

We've taught more than 3,000,000 students on a broad variety of topics. We'd love to teach you as well! :)

Keep learning!

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Reviews

4.8

2,153 ratings on Udemy

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By José Arbey López Martínez on 1/24/2026

I'm actually about the 64th video of the course I'm very excited of all these knowledge I'm actually complementing this database journey with IA. I truly feel that I'm learning so fast, the explanations are fine. Without loosing the time explaining topics outside the videos. Very precise and straighforward.

By Mert Helvaci on 9/28/2025

Yet another excellent Academind work done! The course just like all the others was amazing and comprehensive. Splitting the course into two, one of which is a fast-track a.k.a Summary section for SQL and the other is the extensive version, is a well-thought idea. Just following the summary section is almost enough for the one for having more than moderate level of knowledge. Following the extensive version will make the one a self-confident SQL developer/user. As always, I definitely suggest the course by heart for those who want to learn SQL in depth.

By Abhilash Narayan on 9/8/2025

This is the best Course on Udemy to Learn MYSQL or PostgreSQL. The Teachers cover almost everything that a developer can use in SQL. I always love the way Max teaches. He is an excellent teacher, and no matter which course I take, it's always great and valuable to me. I deeply appreciate Max and Manuel for making this course and thank them.

By Stella Ngendo Mungai on 8/21/2025

I’m genuinely impressed by how Max and his colleague simplify complex topics, making them accessible to beginners while also providing a clear and efficient way for advanced students to revise without needing to follow the course from start to finish. The core concepts of SQL have been thoroughly covered, and now it’s up to us, the students, to dig deeper and stay updated with emerging topics—including areas like Triggers, which weren’t discussed here. Thank you once again—this course absolutely deserves a five-star review.

By Ashparsh Pandey on 8/20/2025

It’s extremely beneficial when sections use slides before moving on to the code, as visualization brings a lot of clarity and greatly improves memory and retention. If possible, include slides and visualizations for all topics; it may increase the duration slightly, but it is incredibly helpful for someone learning for the first time. Also, overall, this course is excellent, with everything well spoken and clearly explained.

By Nicanor Balmus on 1/13/2025

Good course. Detailed and well done, Everything is explained very good. I'm a FE developer, started to do some work on BE because I had to at my job, and I gained some practical experience from just starting working without not knowing anything in SQL, but this course thought me in detail many aspects. Still, as Max said at the course round-up, we should still go on and explore a lot more, the docs are huge for this management system and develop/apply this knowledge systematically.

By Andrea Stefani on 7/25/2023

I corsi di Max sono sempre una garanzia. Pieni di concetti, pieni di esempi pratici con spiegazioni sempre dettagliate, con delle risorse già preconfezionate per avvantaggiare l'utente nell'apprendimento. Questo corso copre tutte le basi del linguaggio SQL, e nonostante lavori costantemente con Database Oracle, mi è comunque servito per rivedere alcuni concetti, impararne di nuovi e rafforzare qualcosa che non mi era completamente chiaro. E' un corso medio-base che non ti darà le basi per diventare un DBA Administrator, ma comunque è molto completo.

By Dev Bharat on 7/3/2022

Max and Manu are excellent teachers. This is one of many courses that I have finished from Academind. I am very satisfied with the course as they plan their course with precision and provide tons of resources like, pdf slides, external links, cod, github repo link, etc. From installation to coding and execution, everything was taught at perfect pace so a student can understand at ease. Very very good delivery from both Max and Manu. I am very thankful and grateful to have you both as my teacher. I wish you both the best of luck for your future endeavors and looking forward to more amazing courses on latest technology and also looking forward to periodic updates to existing courses. God bless you!

By Anonymized User on 4/30/2022

The course can have more tutorials and resources related to indexes and transactions. It also didn't cover anything related to stored procedures, views, triggers, events, etc. It can also have a dedicated section related to ER diagrams and overall, it can be enhanced with more and complex coding practices (eg, having coding practices for each section and their solutions to it.). Except that, the material was overall good and covered the basics very well so that one can get started with SQL after taking up the course.

By Zdenko Bugan - NOMOS s.r.o. on 12/14/2021

Another amazing course from Max and Manuel, even when using MySQL in my daily job, I was able to solidify my knowledge about topics I don't use a lot regularly. Dividing course into detailed lessons first and "quick full scale project" at the end will allow you to recapitulate all that you learned during first 2/3s of the course. Truly recommended for absolute beginners and also pros who want to refresh their MySQL knowledge.

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