SQL is a highly valuable skill that may be applied both within and outside of the workplace. That’s why learning SQL is a worthwhile investment of time with a high potential return. By quickly adding SQL to your résumé, you can increase your chances of development inside the company. That is why, even today, the majority of developers aspire to obtain a SQL certification. Based on detailed research, I’ve compiled a list of the best free online SQL courses with certifications that cover a wide range of topics. These courses can help you in moving up in your career and landing the job of your dreams. Let’s dive in.
- SQL for Newcomers by Skillshare: This free online SQL course is taught by Sameh Sharaf, a data engineer with 8 years of expertise. He is a Google Cloud Data Engineer Professional and an AWS Solution Architect. With more than 10 hours of beginner-level learning content divided down into short sessions, this is the ideal course for you if you are just getting started with SQL and want to build up your skills from the ground up. Over the course of 120 sessions, you’ll learn how to use PostgreSQL, a free and open-source relational database management system. The course will also demonstrate all you need to know about PostgreSQL, understand data types, including how to install it, how to use filters, and use advanced functions, among other things.
Pros:
- Taught by industry experts
- Includes hands-on practice
- 120 sessions
Cons:
- Not for advanced developers
- Excel to MySQL: Analytic Techniques for Business by Duke University by Coursera: If you are fascinated by data and want to use it to make informed business decisions by gleaning insights from large databases, this specialism will pique your interest. Throughout the classes, you’ll use advanced tools and approaches like Excel, Tableau, and MySQL to analyze data, build projections and models, create visualizations, and more. Finish the journey with a final project that allows you to experiment with and apply the techniques you learned in class.
Pros:
- No prior knowledge required
- Reputable course provider
- Opportunity for feedback
Cons:
- Not for advanced developers
- Long duration
- SQL Certification for Data Science by UC Davis by Coursera: This course is aimed to provide you with a basic understanding of SQL and how to interact with data in order to analyze it for data science objectives. To give significant insights for your firm, learn to ask the appropriate questions and come up with good replies. The classes start from the beginning, assuming you have no prior knowledge of the subject. Build on the basis and progress to writing simple and complicated queries to retrieve data from databases. Work with a variety of data kinds, including strings and numbers, and talk about how to filter and narrow down the results.
Pros:
- Course from a reputed source.
- Short course
Cons:
- Not for advanced developers
- SQL – MySQL for Data Analysis and Business Intelligence by Udemy: Understanding SQL is essential for everyone who wants to gain a competitive advantage in the job market. And this Udemy course could be able to assist you in learning and mastering all of the necessary SQL skills. It’s more than just an overview; it’ll show you how to interact with a real-world database and explain why SQL is crucial for data analytics and business intelligence. The education is being offered by 365 Careers, which has taught SQL to over 2 lakh people. Instructors from 365 Careers will assist you at every stage of your studies to ensure that you don’t miss a beat and understand everything properly.
Pros:
- Hands-on experience
- Detailed course
Cons:
- Not for beginners
- No instructor support
- SQL Classes Bundle Online by Pluralsight: This site has a number of lectures and blogs on a variety of topics related to this extensively utilized technology. The certifications are divided into three degrees of difficulty: beginner, intermediate, and advanced. You can take all of the courses to gain a thorough understanding of all of the important areas, or you can concentrate on specific skills. Examine PL/SQL principles, SQL Server DBA abilities, the reporting services playbook, and other technical skills such as storage subsystem performance, transactional replication, and more. By the end of the courses, you will have earned practical experience that you may apply to future projects. Take a look at our list of the best Oracle SQL training courses.
Pros:
- Hands-on assignments
- Reputable course provider
Cons:
- Too basic for advanced developers
Final Thoughts: So there you have it: our recommendations for the top resources to learn SQL for free. Another place where you may learn SQL for free is YouTube. However, there is no certification. Even yet, it’s still the first step most take before enrolling in an online course. To make learning easier you can use Learn Tube by Career Ninja. It is a browser plugin that organizes YouTube searches in a course-like structure. It suggests which video to watch next because YouTube does not suggest which video to watch after you finish one. The add-on compiles a collection of videos from your search results, providing you with all you need to know to develop a skill while excluding videos that are irrelevant to your lessons. Even better, it includes online specialists that can answer your questions.
