MySQL is one of the most popular open-source relational database management systems. Checking the version of MySQL you are running is important for several reasons. First, it helps you to ensure that you are running the latest version of MySQL, which will have the latest features and security patches. Second, it can help you to troubleshoot problems with MySQL. If you are experiencing problems with MySQL, knowing the version of MySQL you are running can help you to find the appropriate documentation or support resources.
There are several ways to check the version of MySQL you are running. One way is to use the `SELECT @@version;` statement. This statement will return the version of MySQL that you are running. For example, if you are running MySQL version 5.7.33, the following statement will return `5.7.33`: