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SQL Courses

Learn how to apply SQL to your data challenges with a course delivered by DataCamp's real-world experts.

Business is increasingly data-driven, which is why SQL skills are in such high demand. Our course portfolio is designed to take you from complete beginner through to advanced user.

Find the right course to help you gain an introduction to SQL, learn to aggregate functions or manipulate data in a relational database, through to creating materialized views and database design. 

  • Learn at your own pace
  • Code while you learn
  • Choose from 27 SQL courses

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SQL Courses for Beginners

Communicating with relational databases through SQL can help you to build a new career or just enhance your data skills within your existing job. SQL is the world's most widely-used database language, allowing you to store, retrieve, manage, or manipulate data as well as using a variety of systems like MySQL, SQL Server, and Oracle. 

SQL is also relatively easy to learn. If it's your first programming language, its name-dependent functions will make it easy for you to absorb. If you already know Python or R, it will be a breeze to assimilate the familiar syntax.  

In short, if you’re in a career that works with databases in any capacity, investing in some SQL courses is always a good bet, and DataCamp is recognized globally as one of the best platforms to begin your SQL learning journey.  You can even start learning today with our free Introduction to SQL course. 

SQL

Introduction to SQL

Master the basics of querying tables in relational databases such as MySQL, SQL Server, and PostgreSQL.

Clock4 hours
Nick Carchedi Headshot

Nick Carchedi

Product Manager at DataCamp

SQL

Joining Data in SQL

Join two or three tables together into one, combine tables using set theory, and work with subqueries in PostgreSQL.

Clock5 hours
Dr. Chester Ismay Headshot

Dr. Chester Ismay

Educator, Data Scientist, and R/Python Consultant

SQL

Introduction to Relational Databases in SQL

Learn how to create one of the most efficient ways of storing data - relational databases!

Clock4 hours
Timo Grossenbacher Headshot

Timo Grossenbacher

Project Lead Automated Journalism at Tamedia

SQL

Database Design

Learn to design databases in SQL.

Clock4 hours
Lis Sulmont Headshot

Lis Sulmont

Workspace Architect at DataCamp

SQL

Applying SQL to Real-World Problems

Find tables, store and manage new tables and views, and write maintainable SQL code to answer business questions.

Clock4 hours
Dmitriy Gorenshteyn Headshot

Dmitriy Gorenshteyn

Lead Data Scientist at Memorial Sloan Kettering Cancer Center

SQL

Improving Query Performance in SQL Server

In this course, students will learn to write queries that are both efficient and easy to read and understand.

Clock4 hours
Dean Smith Headshot

Dean Smith

Founder, Atamai Analytics

SQL Courses for Data Analysis

SQL is one of the favorite languages for data analysis because it's semantically easy to understand, it can help you access large amonuts of data immediately where it's stored, and analysis in SQL is easy to audit and replicate. Upskilling to include SQL in your arsenal means that you'll be able to work with larger datasets and multiple tables at once. 

Our course portfolio covers everything from technical functions to hone your skills, through to general knowledge updates to help you report and make data-driven decisions more effectively. 

SQL

Intermediate SQL

Discover how complex SQL queries can help you answer tricky data science questions, and learn how to get data ready for analysis in PostgreSQL.

Clock4 hours
Mona Khalil Headshot

Mona Khalil

Data Scientist, Greenhouse Software

SQL

Exploratory Data Analysis in SQL

Learn how to navigate databases and explore the relationships between tables and beyond.

Clock4 hours
Christina Maimone Headshot

Christina Maimone

Data Scientist, Northwestern University

SQL

PostgreSQL Summary Stats and Window Functions

Discover windows functions in SQL and create queries for both data analytics and engineering.

Clock4 hours
Fernando Gonzalez Prada Headshot

Fernando Gonzalez Prada

Data Science Consultant

SQL

Functions for Manipulating Data in PostgreSQL

Discover the key functions you'll use to manipulate, process, and transform data in SQL Server.

Clock4 hours
Brian Piccolo Headshot

Brian Piccolo

Sr. Director, Digital Strategy

SQL

Intermediate SQL Server

Learn T-SQL, Microsoft's SQL Server dialect, and how to use it to analyze data.

Clock4 hours
Ginger Grant Headshot

Ginger Grant

Principal Consultant, Desert Isle Group

SQL

Analyzing Business Data in SQL

Get ahead by learning how to help businesses calculate key metrics using SQL.

Clock4 hours
Michel Semaan Headshot

Michel Semaan

Data Scientist

SQL

Writing Functions and Stored Procedures in SQL Server

Advance your SQL Server programming skills by learning how to write and execute functions and stored procedures.

Clock4 hours
Meghan Kwartler Headshot

Meghan Kwartler

IT Consultant

SQL

Functions for Manipulating Data in SQL Server

Discover the key functions you'll use to manipulate, process, and transform data in SQL Server.

Clock4 hours
Ana Voicu Headshot

Ana Voicu

Software Developer

SQL

Reporting in SQL

Take your SQL skills to the next level and use what you learned in past courses to build your own dashboard.

Clock4 hours
Tyler Pernes Headshot

Tyler Pernes

Learning & Development Consultant

SQL

Data-Driven Decision Making in SQL

Discover how to analyze SQL tables and help guide business decision-making.

Clock4 hours
Bart Baesens Headshot

Bart Baesens

Professor in Analytics and Data Science at KU Leuven

SQL Courses for Data Science

Data scientists have been described as 'part mathematician, part computer scientist, and part trend spotter'. SQL is an essential part of this skill set for both aspiring and experienced data professionals, allowing you to access, manipulate, and gain insights from large volumes of data from for your organization. 

Learn to use SQL Server, report using SQL, write functions, clean data, or how to make decisions based on the data available to you. 

SQL

Introduction to SQL Server

Become proficient at using SQL Server to perform common data manipulation tasks.

Clock4 hours
John MacKintosh Headshot

John MacKintosh

Data Manager

SQL

Intermediate SQL Server

In this course, you will use T-SQL, the flavor of SQL used in Microsoft's SQL Server for data analysis.

Clock4 hours
Ginger Grant Headshot

Ginger Grant

Principal Consultant, Desert Isle Group

SQL

Data-Driven Decision Making in SQL

Learn how to analyze a SQL table and report insights to management.

Clock4 hours
Bart Baesens Headshot

Bart Baesens

Professor in Analytics and Data Science at KU Leuven

SQL

Intermediate SQL

Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.

Clock4 hours
Mona Khalil Headshot

Mona Khalil

Data Scientist, Greenhouse Software

SQL

Reporting in SQL

Learn how to build your very own dashboard by applying all the SQL concepts and functions you have learned in previous courses.

Clock4 hours
Tyler Pernes Headshot

Tyler Pernes

Learning & Development Consultant

SQL

Exploratory Data Analysis in SQL

Learn how to explore what's available in a database: the tables, relationships between them, and data stored in them.

Clock4 hours
Christina Maimone Headshot

Christina Maimone

Data Scientist, Northwestern University

SQL

PostgreSQL Summary Stats and Window Functions

Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!

Clock4 hours
Fernando Gonzalez Prada Headshot

Fernando Gonzalez Prada

Data Science Consultant

SQL

Functions for Manipulating Data in PostgreSQL

Learn the most important PostgreSQL functions for manipulating, processing, and transforming data.

Clock4 hours
Brian Piccolo Headshot

Brian Piccolo

Sr. Director, Digital Strategy

SQL

Analyzing Business Data in SQL

Learn to write SQL queries to calculate key metrics that businesses use to measure performance.

Clock4 hours
Michel Semaan Headshot

Michel Semaan

Data Scientist

SQL

Time Series Analysis in SQL Server

Explore ways to work with date and time data in SQL Server for time series analysis.

Clock5 hours
Kevin Feasel Headshot

Kevin Feasel

CTO, Envizage

SQL Courses for Data Engineering

SQL is an essential language for data engineers, allowing them to develop reusable data structures, extract key performance metrics, and model business logic. In fact, knowing advanced SQL syntax is a requirement for most entry-level positions. 

DataCamp has got you covered with a vast array of SQL courses that will give you a strong foundational knowledge combined with all the advanced skills you’ll need to succeed. 

SQL

PostgreSQL Summary Stats and Window Functions

Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!

Clock4 hours
Fernando Gonzalez Prada Headshot

Fernando Gonzalez Prada

Data Science Consultant

SQL

Intermediate SQL Server

In this course, you will use T-SQL, the flavor of SQL used in Microsoft's SQL Server for data analysis.

Clock4 hours
Ginger Grant Headshot

Ginger Grant

Principal Consultant, Desert Isle Group

SQL

Writing Functions and Stored Procedures in SQL Server

Master SQL Server programming by learning to create, update, and execute functions and stored procedures.

Clock4 hours
Meghan Kwartler Headshot

Meghan Kwartler

IT Consultant

SQL

Functions for Manipulating Data in SQL Server

Learn the most important functions for manipulating, processing, and transforming data in SQL Server.

Clock4 hours
Ana Voicu Headshot

Ana Voicu

Software Developer

SQL

Cleaning Data in SQL Server Databases

Develop the skills you need to clean raw data and transform it into accurate insights.

Clock4 hours
Miriam Antona Headshot

Miriam Antona

Software Engineer

SQL

Hierarchical and Recursive Queries in SQL Server

Learn how to write recursive queries and query hierarchical data structures.

Clock4 hours
Dominik Egarter Headshot

Dominik Egarter

Data Engineering Enthusiast

SQL

Cleaning Data in PostgreSQL Databases

Learn to tame your raw, messy data stored in a PostgreSQL database to extract accurate insights.

Clock4 hours
Darryl Reeves Ph.D Headshot

Darryl Reeves Ph.D

Industry Assistant Professor, NYU Tandon School of Engineering

The Best Courses for Learning SQL

The world generates 2.5 quintillion bytes of data daily and, by 2025, that number is expected to reach 463 exabytes.  Most of that data is stored in relational databases, and as the amount of stored data continues to grow at staggering rates, so does the demand for people who know how to communicate with and manage these databases.

SQL is a domain-specific language and the industry standard for communicating with relational databases. A 2021 study identified SQL as the most sought-after skill among all jobs in data, appearing in 42.7% of all job postings.

DataCamp has a wide portfolio of SQL programming courses to cover every stage of your journey. You might want to pick up some basic SQL commands to supercharge your performance in your current job, or you may set your sights on becoming a SQL expert, opening up exciting possibilities in data analysis and database administration. Whatever destination you choose, DataCamp's vast SQL catalog can help you get there. DataCamp is a time-tested industry leader in helping learners master SQL - over 2,000 companies globally trust us to upskill their teams, including Google, eBay, PayPal, and Uber.

SQL FAQ's

What is the best online SQL course?

Introduction to SQL with DataCamp.  This free introductory course with help you master basic functions like selecting columns, filtering rows, aggregating functions, and sorting and grouping in SQL. 

Are DataCamp SQL courses free?

Introduction to SQL is free of charge, as are the first chapters of most courses in our library. For optimal SQL mastery, however, you should consider a subscription - which comes with full access to over 300 courses, cheat sheets, assessments, projects, and other beneficial resources.  

How long does it take to finish a SQL Course?

It takes 4 hours to finish the materials for most courses in SQL, but you’ll probably need a week or two of regular practice to master all the commands you learn.  

What SQL course should I start with?

DataCamp’s Introduction to SQL. This free course will teach you the basics of querying tables in relational databases, including SQL Server, PostgreSQL and MySQL. From there, you can move on to Intermediate SQL, where you’ll learn the more complex queries necessary for rigorous data analysis. 

Which SQL courses are best for machine learning?

DataCamp’s Transactions and Error Handling in SQL Server, where you'll learn to write error-catching scripts; Database Design, where you'll learn how to build an efficient database; and Building and Optimizing Triggers in SQL Server, which will teach you to design effective triggers and preserve the integrity of your database.  

What courses should I take as well as SQL courses?

Pairing your SQL courses with Python or R courses is highly recommended, as most jobs in data science will require SQL skills in addition to one of the primary programming languages. Learning Python or R along with SQL can unlock some exciting career opportunities in machine learning, data analytics, and data engineering.

Which SQL courses are best for finance?

Data-Driven Decision Making in SQL, where you'll learn to use SQL queries to give financial decisions, Reporting in SQL, where you'll learn to apply SQL functions to create dashboards with your financial data and Analyzing Business Data in SQL, where you'll add writing SQL queries to calculate key financial metrics to your toolbox.  

Which SQL courses are best for digital marketing?

Analyzing Business Data in SQL , where you'll learn to write queries to calculate key business performance metrics; Data-Driven Decision Making in SQL, which will show you how to use SQL to drive effective decision making; and Applying SQL to Real-World Problems, where you'll answer key business questions by writing maintainable SQL code.