For an instructor lead, in-depth look at learning SQL click below.
Data is everywhere – from social media to online transactions, smart devices to enterprise software. It’s no surprise that being skilled in SQL, the standard language for dealing with data stored in relational databases, is a hugely valuable asset in today’s digital world.
In this blog post, we will explore some of the top SQL courses available online that allow you to go from SQL newbie to master. But before jumping into that, let’s get a quick taste of what an SQL query looks like.
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-- A simple SQL query to select all rows from a table SELECT * FROM Employees; |
Coursera – SQL for Data Science
Our first pick is the “SQL for Data Science” course available on Coursera. This course does an excellent job at introducing the very basics of SQL Querying. It also gives you practical experience with SQL interfaces.
Example Code
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-- An SQL query to select employees with a salary greater than 50000 SELECT * FROM Employees WHERE Salary > 50000; |
Codecademy – Learn SQL
Codecademy’s Learn SQL course methodically covers a wide range of SQL skills from basic querying, to complex joins and data manipulation. This course allows you to write, test, and review real SQL code in your browser, providing immediate feedback and code validation.
Example Code
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-- An SQL query to update a certain employee's salary UPDATE Employees SET Salary = 60000 WHERE EmployeeId = 1; |
Udemy – Complete SQL Bootcamp
The ‘Complete SQL Bootcamp’ offered on Udemy is a comprehensive course that covers everything from basic commands to complex database interactions. This course also includes a certificate of completion, which you can add to your LinkedIn profile or resume.
Example Code
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-- SQL query to delete a certain record from a table DELETE FROM Employees WHERE EmployeeId = 1; |
Regardless of the course or platform you choose, the commitment to mastering SQL will pay off with increased job prospects, higher salaries, and the ability to make data-driven decisions. Remember, the best way to learn SQL is by practicing so start querying today!