beginner

Introduction to SQL with an Online Shop

Data Analytics

4 courses

91 practices

6 hours

This learning path is a fun, accessible introduction to SQL, one of the most popular database query languages. It uses online shop orders data as your database. Your journey to SQL greatness starts here, exploring real-world e-commerce data!

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Verified skills you'll gain

ADVANCED

Data Querying and Retrieval

DEVELOPING

Data Analysis for Insights

Tools you'll use

MySQL

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Course 2

Learning SQL Joins

4 lessons

20 practices

Explore the dynamic world of SQL Joins by analyzing data from an online shopping platform. This course will demonstrate how to connect different tables to reveal the in-depth narratives of orders, products, and customer interactions.

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Course 3

Mastering SQL Functions and Clauses

5 lessons

25 practices

Take your SQL expertise to the next level by harnessing the power of SQL functions. Using data from an online shopping platform, this course delves into advanced SQL functions and clauses, helping you summarize, count, and differentiate data to gain deeper insights into shopping datasets.

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Course 4

Advanced Query Techniques and Conditional Logic in SQL

4 lessons

20 practices

This advanced SQL course will enhance your ability to write complex queries, use conditional logic, and conduct sophisticated data analysis. Ideal for learners who have mastered basic SQL and are eager to tackle more challenging problems.

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11