Original link: https://chegva.com/5777.html
A completely free checkpoint-style SQL self-study tutorial website, combined with the author’s own SQL learning practice experience, has written more than 30 checkpoints. Users can submit SQL codes online to complete the checkpoints. The goal is to help everyone master common SQL syntax from 0 to 1 .
In addition, the website supports functions such as free selection of levels, custom levels, and SQL online practice squares. It is a good practice tutorial for beginners to learn SQL.
Learn to use in 20 seconds
1) Go directly to the homepage, the left side is the tutorial and topic area, please read it completely first
2) Write the SQL code in the upper right area to do the question, click Run to submit the result
3) You can use the question assistant area on the lower right to help you solve the questions
4) After the execution result is correct, you can enter the next level
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Online experience: http://sqlmother.yupi.icu
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Video demo: https://www.bilibili.com/video/BV1pV4y1i7LW
This article is transferred from: https://chegva.com/5777.html
This site is only for collection, and the copyright belongs to the original author.