For an instructor lead, in-depth look at learning SQL click below.
In the digital age, being able to make sense of data is a skill that is increasingly in demand across industries. SQL, or Structured Query Language, is a pivotal tool in managing and interpreting large datasets. Here, we have compiled a list of the top 10 comprehensive online SQL courses that provide in-depth learning opportunities for beginners and experienced practitioners alike.
1. SQL for Data Science
This is a beginner-friendly course that targets individuals seeking to integrate SQL into their data science skillset. The course includes basics of SQL syntax and command fundamentals. It does not require prior experience with SQL.
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--Example of a basic SQL query SELECT * FROM customers; |
2. Master SQL for Data Science
This course has a well-structured approach to teaching complicated SQL queries meant for extracting essential business insights. This course requires a basic understanding of SQL.
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--Example of a SQL query utilizing joins SELECT orders.order_id, customers.customer_name FROM orders INNER JOIN customers ON orders.customer_id = customers.customer_id; |
3. The SQL Bootcamp
The SQL Bootcamp enables students to get hands-on experience with writing queries and building databases. By the end of this course, successful students will be proficient in SQL syntax and database management.
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--Example of a SQL command for creating a simple table CREATE TABLE employees ( ID INT PRIMARY KEY, name VARCHAR (20), age INT, salary DECIMAL (18, 2)); |
4. Complete SQL + Databases Bootcamp: Zero to Mastery [2020]
Zero to Mastery teaches students to use SQL to query a database, and to use Python to process data sets. The course provides comprehensive training in SQL databases and data analysis.
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--Example of a SQL command for inserting data into a table INSERT INTO employees (ID, name, age, salary) VALUES (1, 'John', 30, 45000.00); |
5. SQL & PostgreSQL for Beginners
SQL & PostgreSQL for Beginners provides a complete introduction to SQL syntax and style, focusing on PostgreSQL but applicable to other SQL varieties. This course is well-suited for beginners.
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--Example of a basic PostgreSQL command SELECT * FROM public.employees; |
6. Modern Big Data Analysis with SQL Specialization
Offered by Cloudera, this is a quick-start guide to writing SQL transfers against big data. With substantial real-case scenarios, it offers hands-on exercises to understand different SQL engines.
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--Example of a complex SQL query SELECT employees.name, COUNT(orders.order_id) as total_orders FROM employees JOIN orders ON employees.employee_id = orders.employee_id GROUP BY employees.name HAVING COUNT(orders.order_id) > 1; |
7. Managing Big Data with MySQL
This course is for anyone who wants an introduction to SQL databases, especially data analysts, scientists, marketers, and business professionals. It covers critical aspects of managing big data through MySQL.
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--Example of a command to update data in a MySQL database. UPDATE employees SET salary = 50000.00 WHERE name = 'John'; |
8. SQL Server Development
This course is for software developers and IT professionals who want to understand how to use SQL Server data tools for creating analysis and reporting solutions. It also covers how to manage both relational and non-relational data.
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--Example of a SQL server command SELECT * FROM sys.databases WHERE name = 'employees'; |
9. The Complete Oracle SQL Certification Course
For people seeking Oracle SQL Certification, this course is the best choice. With in-depth coverage of the SQL language in the Oracle environment, this is a highly valuable course.
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--Example of an Oracle SQL command SELECT * FROM ALL_TABLES WHERE OWNER = 'HR'; |
10. Microsoft SQL Server 2016 Certification (70-761)
This course covers all aspects of the SQL Server 2016, helping developers understand and utilize the full potential of SQL. It’s particularly useful for those seeking certification but general learners can benefit from the course as well.
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--Example of a SQL command for deleting data in a table DELETE FROM employees WHERE name = 'John'; |
In conclusion, each of these courses offer a great opportunity to refine your SQL skills and advance in your career. No matter your current level of SQL knowledge, you will find a course that suits your needs on this list.