Are you looking for Best Free SQL Courses and Certifications Online?… If yes, then this article is for you. In this article, you will find the 9 Best Free SQL Courses and Certifications Online. All the courses are free and you don’t need to pay for any course.
Author : Coursera
Duration : Approx. 15 hours to complete
Skill Level : Intermediate Level
About the Course :
This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.
At the beginning of the course, you will work through the installation steps including installing a text editor, installing MAMP or XAMPP. Then you will learn single table queries and the basic syntax of the SQL language.
This course will also cover database design with multiple tables, foreign keys, and the JOIN operation. At the end of this course, you will learn how to model many-to-many relationships like those needed to represent users, roles, and courses.
Author : Udacity
Duration : Approximately 4 Weeks
Skill Level : Beginner Level
About the Course :
This course is completely free and covers SQL to extract and analyze data stored in databases. SQL is used to perform data analysis in this course. First, you will learn SQL basics like how to extract data, SQL joins to join tables and SQL aggregations.
Then you will learn how to perform complex analysis and manipulations using subqueries, temp tables, and window functions.
Author : Coursera
Duration : 14 hours
Skill Level: Beginners Level
About the Course :
This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.
In this course, you will understand the fundamentals of SQL and work with data so that you can begin analyzing it for data science purposes.
At the beginning of the course, you will learn the SQL basics and assume you do not have any knowledge or skills in SQL. After that, you will write both simple and complex queries to help you select data from tables and start to work with different types of data like strings and numbers.
This course will also teach you how to create a table and how to move data into them. At the end of this course, you will learn common operators and use case statements and concepts like data governance and profiling.
Author : Kaggle
Duration : Approx. 3 hours
Skill Level : Beginner Level
About the Course :
This Free SQL Course is available on Kaggle. In this course, you will basics of accessing and examining Big Query datasets and use the keywords SELECT, FROM, and WHERE to get data from specific columns based on conditions.
After that, you will learn about three new techniques: GROUP BY, HAVING, and COUNT(). This course will also teach how to change the order of your results using the ORDER BY clause.
At the end of this course, you will learn to organize your query for better readability and combine data sources.
Author : Kaggle
Duration : Approx. 4 hours
Skill Level : Intermediate Level
About the Course :
This is another Free Kaggle Course to learn advanced SQL. In this course, you will learn a few more types of JOIN, along with how to use UNIONs to pull information from multiple tables.
This course will also cover how to define analytic functions, which also operate on a set of rows, and how to query nested and repeated data.
At the end of this course, you will write queries to run faster and use fewer data.
Author : Udemy
Duration : Approx 2hr 17min
Skill Level : Beginner Level
About the Course :
This is an advanced TSQL Querying course. In this course, you will learn advanced concepts like Views, Triggers, Dynamic Queries, etc.
If you are a beginner, then this course is not for you. Because for this course, you must have worked with SQL server and know how to query using management studio.
Author : Coursera
Duration : 2 to 3 hours
Skill Level : Beginner Level
About the Course :
SQLBolt aims to get you started writing SQL as quickly as possible through free interactive browser-based lessons and exercises.
You’ll learn not only how to formulate an SQL query and get the data you need from an existing database, but you’ll also learn how to create new tables from scratch.
There are no prerequisites for this course.
Author : Udacity
Duration : 4 weeks
Skill Level : Intermediate Level
About the Course :
In this Free Course, you will learn the basics of SQL and database design, as well as the Python API for connecting Python code to a database.
You will also learn how to protect your database-backed web apps from common security problems. This course will also teach about normalized design, which makes it easier to write effective code using a database.
At the end of this course, you will learn how to use the SQL join operators to rapidly connect data from different tables.
Author : Data Camp
Duration : 4.5 Hours
Skill Level : Beginner Level
About the Course :
Data Camp’s Introduction to SQL teaches you the general SQL syntax shared by many types of databases like PostgreSQL, MySQL, SQL Server, and Oracle.
By the end of this course with a free certificate, you’ll be able to select specific columns, filter rows satisfying a condition, use aggregate functions to summarize data, and sort and group your results.
Note : These courses are free to enroll, but for certification you may have to pay.
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