Hello friends! I'll tell you about my new project - SQLTest.online. This is a platform for those who are learning SQL and want to test their skills by solving practical problems.
The using of the site is very simple - select a problem from the list on the left and try to solve it! So far there are more then 220 questions on MySQL, several questions on Firebird. For tests, public databases Sakila (MySQL), Bookings (PostgreSQL) and Employee (Firebird) are used. In the future, I plan to expand both the list of available databases and the number of questions for each of them.
The table structure of the database relevant for each task is displayed on the right side of the screen and helps you in solving.
If you are at a loss with a solution, you can use the hint or run a query and see the result. Validation of a solution is performed in two stages: a basic check using regular expressions and then checking the result against the correct solution.
If you are interested in the project and decide to pass all the tests, you can log in to the site. Login is currently available via Google, Yandex and GitHub. When you log in to the site, no personal information is collected, only data about your progress in solving problems. However, even without registration, you get access to all functions of the site without restrictions!
So, Happy testing with SQLTest.online
If you find problems on the site, write about them below in the comments to the article.
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