For an instructor lead, in-depth look at learning SQL click below.
Structured Query Language, or SQL, is a fundamental skill for data analytics and anyone looking to dive into the world of Big Data. Here are top-notch courses to help jumpstart your SQL learning journey, complete with actual SQL code examples.
1. SQL for Data Analytics by Udemy
This course teaches the core skills needed to extract insights from data with SQL. It covers a wide range of concepts from SQL basics, advanced features of SQL, and basic data analysis tasks.
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-- Example of a simple SQL query you're likely to learn in this course SELECT country, COUNT(*) FROM customers GROUP BY country |
2. SQL Course by Codecademy
Codecademy offers an interactive SQL course which covers basic concepts to more complex SQL queries. You can write and run SQL queries right in its interactive platform.
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-- A slightly more complex SQL query example SELECT name, SUM(salary) FROM employees WHERE hire_date > '2010-01-01' GROUP BY name HAVING SUM(salary) > 50000 |
3. Introduction to SQL by Coursera
Provided by the University of Michigan, this course is part of a 5-course series in applied data science with Python. This course goes over the basics of SQL.
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-- Basic SQL Update statement you'll learn in this course UPDATE employees SET salary = salary * 1.05 WHERE hire_date < '2000-01-01' |
4. SQL Essential Training by LinkedIn Learning
This course is perfect for beginners. The course starts from the very basics and work its way up to some of the more sophisticated aspects of SQL, like joining tables together and creating custom views.
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-- Query with join operation SELECT orders.order_id, customers.customer_name FROM orders INNER JOIN customers ON orders.customer_id = customers.customer_id |
Summary
Going through any of these courses should give you solid foundational SQL skills, giving you the power to work with large databases and extract valuable insights from data. Happy learning!