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Four different SQL dialects
Follow dedicated paths for Standard SQL syntax, T-SQL for SQL Server, PostgreSQL or MySQL.
SQL Certificates
After successfully completing each course, you will receive a certificate that you can publish on your LinkedIn profile.
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100% web-based experience
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Real database environment
All the challenges and exercises you'll complete are based on real-world applications. No fluff, just things you need.
SELECT *
FROM trip
WHERE city_id IN (
SELECT id
FROM city
WHERE area > 100
);
SELECT *
FROM trip
WHERE city_id IN (
SELECT id
FROM city
WHERE area > 100
);
SELECT *
FROM trip
WHERE city_id IN (
SELECT id
FROM city
WHERE area > 100
);
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SQL from A to Z
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Advanced SQL in PostgreSQL
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SQL from A to Z in MS SQL Server
Pick the right SQL learning path for yourself
Whether you want to learn SQL to explore and analyze your data to get actionable insights, or want to learn how to store, manage, and optimize data in a relational database, we have everything you need.
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在线极速幸运飞行艇开奖直播视频-查询开奖记-幸运飞行艇官方网站开奖结果 Most popular Tracks and Courses
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SQL from A to Z
Become a SQL master – even if you’ve never coded before. Learn all the necessary tools to freely and efficiently work with any type of data. Start from the basics, then discover advanced SQL functions and features.
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SQL Basics
Start here if you’re new to SQL. Learn the basics of SQL, retrieve data from an SQL database and build simple reports.
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SQL Practice
Review and consolidate your SQL skills with tons of interactive exercises! In this learning path, you’ll practice SQL JOINs, aggregation with GROUP BY and HAVING, and subqueries (including correlated subqueries).
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SQL from A to Z in MS SQL Server
Become a SQL master – even if you’ve never coded before. Learn all the necessary tools to freely and efficiently work with any type of data. Start from the basics, then discover advanced SQL functions and features.
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Window Functions
Learn how to use analytic SQL functions to deeply understand data.
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Creating Basic SQL Reports
Teach yourself how to build basic SQL reports to track and analyze the performance of your metrics.
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