Start learning SQL from scratch.
Learning SQL is important for anyone who wants to work in the field of data science. In 2021, SQL is the most in-demand language in data job postings and the most-used language by actual data professionals.
But SQL skills are also valuable in any role that involves work with data or spreadsheets. If you spend some of your working hours in Excel, chances are you could benefit from learning SQL skills.
1 Hour
4
Introductory
341,010
Do what you couldn't do before.
Ace your interviews. You'll be coding from the get-go and you can take this experience directly into your next technical SQL interview.
Get premium learning content. Our in-house team of senior data experts developed our SQL courses based on real-world applications. You can take what you learn from this content directly into your current (or future) data job.
Learn one step at a time. This step-by-step learning path will teach you everything you need to know at your own pace.
Your SQL questions, answered:
Course Structure: Introduction to SQL and Databases
Everything you need to learn to get started with SQL.
Introduction to SQL
This lesson is an intro to writing SQL queries. You’ll learn how to use the SELECT clause and how to do arithmetic in SQL.
Introduction to Databases
This lesson is an introduction to databases. You'll learn more about working with databases to get the data you need using SQL.
Exploring Tables
This lesson will take your SQL skills a step further. You'll learn about the LIMIT clause, different SQL dialects, and how SQL commands execute.
Coding with Style
This lesson is an intro to coding and style rules. You’ll learn about commenting, the order of execution, and the different SQL dialects.
It's not just what you learn,
but how you learn it.
Dataquest is recommended by 97% of students for learning data skills.
Retain
Learn by writing and validating code, not by watching videos.
Reinforce
Challenge yourself with dozens of SQL practice problems.
Reference
Revisit what you've learned anytime you need a refresher.
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Get fast help with your technical questions
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Join over 1 million data learners!
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