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Without data where would we be? No one will be able to make the best of the present and the future without data. We need data for efficient health care, to advance in technology and so on. With proper data/information any kind of enterprise will grow. For this to happen Data must be visited, revisited, and updated regularly. And SQL has been a major programming language for communicating with databases for the past five decades. It is used by everyone from small-scale businesses to Fortune 500 corporations. So let us, In this article, learn about online SQL courses from top providers across the world which can turn you into a professional for free.
What is SQL?
Structured Query Language which is the full form of SQL is a computer language for data management. It is the standard programming language for relational database management systems, according to the American National Standards Institute. Thus it is a widely-used programming language for data management around the world.
Crucial skills for SQL
Soft talents, as well as technical skills, are required. These free online SQL courses might help you build soft skills like:
- Adaptability
- Time Management
- Leadership
- Teamwork
- Observation
- Empathy
- Analytical skills
- Curiosity
- Communication Skills
- Creativity
Some of the crucial technical skills are as follows
These are some of the technical skills that you master with these free online SQL courses
- Multi-Process Architecture
- SQL design, refactoring skills
- SQL performance tuning
- Relational theory
- OS: Windows, Linux, Mac
- Data structures, Algorithms
- Basic Database knowledge
- Window functions
- MySQL, NoSQL databases
- Frameworks: .NET SQL, Transact SQL,
- Functional programming
- XSLT, NoSQL technologies
Top careers after SQL
Good SQL knowledge is crucial for technical jobs. Even non-technical employees learn SQL as it enables them to manage data from databases. Thus it is a valuable skill set. Here are a few examples of technical positions:
- Full-stack developer
- Database Architect
- SQL Developer
- Computer Programmer
- Data Administrator
- Software developer
- Systems architect
- Web developer
- Big Data Developer
- Business Intelligence Analyst
- Software Quality Assurance Engineer
- Data Architect
- Software Engineer
- Software Tester
- Machine Learning engineer
SQL courses by Top Providers
Numerous free SQL certification classes are open to you. They are paid / free online SQL courses. However, as a student, you should consider all of your possibilities before selecting a course. So take a look at our selection of the best free and paid online SQL courses.
Read also:
- Edx Free courses and certifications
- Swayam Free courses and certifications
- Google Free courses and certifications
- Coursera Free courses and certifications
Also, check out our lists of courses related to SQL general, for a broader range of opportunities in programming.
Conclusion
Though there are many new programming languages, SQL retains its place as one of the most popular languages in 2021. (source: Dataquest). You can learn this as a stepping stone and continue to learn other programming languages. It's crucial to master other languages (R, Python, etc. ), But it’s wonderful to start with SQL. Why? Because it is still the favourite among the industry's titans. (Instagram, Netflix, Uber, Quora, etc.) Not only that, but every small and large organisation would value your SQL expertise for data-related positions. (Analyst, Data Scientist, and so on.) To learn about other choices, look through our list of all free online courses and certificates. Do check our list of all free online courses and certifications to find out about more options.
Also Read:
- Free Digital Marketing courses
- Free Data Science courses
- Free Cyber Security courses
- Free Data Analytics courses
- Free Artificial Intelligence courses
FAQs
Q: What are the benefits of taking online free SQL certification courses?
A: You can master SQL with these online free SWL certification courses. Then you can land top careers in MNCs, the public sector, etc.
Q: What is the duration of these SQL certification courses in general?
A: The duration can vary for SQL certification courses. If you take free online SQL courses, these tend to be shorter in duration. Paid SQL certification courses can take time anywhere from 6 weeks to nearly two years to complete.
Q: Who should anyone take online free SQL courses?
A: Once you understand the basics with these online free SQL courses for beginners, you can delve deeper by taking paid as well as free SQL certification courses. Professionals in the IT, Data industry (Data Analysis, Data Science) can take these online free SQL courses.
Q: How is SQL important for careers in data?
A: SWL is a fundamental language for retrieving and updating data from a database. It has been this way for many years. Most countries still use SQL or its different versions. Thus taking these free SQL certification courses can enhance your career prospects.
Q: Can online free SQL courses replace paid SQL certification courses?
A: Alison provides free SQL courses that give e-certification. Online Free SQL courses are available through Edx, Swayam, Coursera, for auditing only. Udemy offers low-cost SQL courses. Financial aid is available from Udacity. Thus, both free and paid courses have value.
Q: What is the average salary after completing online SQL courses?
A: This depends on a few factors. (educational background, company, location, skills experience, job, etc.) The average median salary for some top professions after taking these online free SQL courses: software engineer Rs. 5, 91, 463. Software developer: Rs. 5, 17, 347, Business analyst: Rs. 6, 11, 846
Q: Mention some top industries that offer opportunities after finishing these online free SQL courses?
A: Some of the top industries you can work in after taking these online free SQL courses are finance, commerce, e-commerce, telecommunications, health care management, etc.
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