SQL

The language of databases used for database manipulation and analysis

Study

SQL I Estimated 2h

0%

SQL a database language used for data management and analysis. You will learn the basics of using SQL in this lesson.

Study

SQL Ⅱ Estimated 1h

0%

In this lesson, we'll learn how to use the aggregate function and grouping. We’ll use these SQL techniques to analyze Ken the Ninja’s spending habits!

Study

SQL Ⅲ Estimated 2h

0%

You will learn to get data from multiple tables in this lesson. Strengthen your SQL skills by mastering subqueries and JOIN!

Dojo

SQL I Estimated 2h

0%

Use the skills you learned in the first 3 SQL Study lessons to take on these practical challenges. As you progress, the challenges will become gradually more difficult. Take your t...

Lessons to be closed soon

Start the lesson from the initial state.
Warning: your code will be deleted.

Review the lesson without
resetting your code.