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Learn structured query language (SQL)

If you're looking to work in information technology (IT) or a data-related career, consider learning Structured Query Language (SQL). Explore your options for learning SQL online.

What is SQL?

SQL is a standardized programming language used for managing and manipulating relational databases. It is a useful language across a variety of careers, particularly those related to data analysis and storage and software development.

You can choose to learn SQL on its own, or make it part of a wider study in data analytics or software engineering.

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SQL courses come in a variety of formats and lengths. Some are aimed at teaching the language, while others offer SQL as one of a selection of subjects that make up a larger degree. Here are some questions to help you decide which program might be right for you:

  • Do I need a variety of skills, or am I looking only to learn SQL?
  • Am I interested in an introductory or advanced program?
  • How much knowledge of SQL do I need to advance in my career?
  • How much time can I dedicate to learning SQL?

SQL Courses

SQL courses are a great choice for those who are just starting out or more seasoned professionals who would like to master this specific program. Online courses typically have a low time commitment of five to eight weeks.

SQL Certificates

Professional SQL certificates can help you build your résumé and set you apart in a crowded job market. They are often accredited by well-known companies and universities and can take roughly 4–10 months to complete.

Executive education programs

Executive education programs, such as IBM's data science micro-credential, are generally aimed at professionals who would like to learn more about a larger field like data analysis or business analytics. You can learn about SQL and other programming languages, but the focus is typically on broader business ideas rather than on developing an individual skill set. These programs can be as short as eight weeks.

Undergraduate and graduate degrees

If you choose a degree in computer programming, computer science, data analysis, or a related field, you'll likely be introduced to SQL as one of many languages you'll use. Bachelor's degree programs may take about four years of full-time study to complete, while a master's degree program in a similar discipline may take one to two years.

Careers that use SQL skills

Skills in SQL can be useful in a variety of careers — particularly those in data, IT, and tech. For most jobs, you'll also need at least a bachelor's degree and a variety of other skills and programming languages.

Here are a few positions that having experience with SQL may help you qualify for, with each role's required education as well as salary data from the Bureau of Labor Statistics (BLS):

Software developer

Software developers design computer apps and programs and offer advice for upgrades to client's existing programs and systems.

  • Recommended education: Bachelor's degree in computer science, IT, or a related discipline like engineering or math
  • Median annual salary (May 2024): $131,450
Database administrator

Data administrators create and organize systems to store data. They keep the data secure and work to ensure that data loss is prevented.

  • Recommended education: Bachelor's degree in computer science, IT, or a related field
  • Median annual salary (May 2024): $123,100
Data scientist

Data scientists use analytical tools to extract trends and meaningful insights from data. They may use visualization software to present their findings and help companies and stakeholders to make data-driven decisions.

  • Recommended education: Bachelor's degree in math, statistics, or computer science; some employers prefer a master's or doctoral degree as well
  • Median annual salary (May 2024): $112,590

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    Frequently asked questions about learning SQL

    Why should I learn SQL?

    SQL is an important skill in the tech world, and learning it can help improve your career options. If you're considering a career in IT, software development, or anything related to data, you'll need to know SQL.

    How long does it take to learn SQL?

    You can take short courses to learn SQL in just a few weeks. Alternatively, you can pursue a bachelor's degree in data analysis and learn SQL as part of the larger curriculum, which commonly takes around four years of full-time study to complete.

    How hard is it to learn SQL?

    You need good math and analytical skills to learn and use SQL, so students who are not as strong in those subjects may find the learning process a bit more difficult. Nevertheless, learning SQL is generally within the grasp of most anyone with enough time and determination to do so.