Starting from MySQL 8.0.16 database server and later versions, a `CHECK` constraint is a feature that allows you to specify a condition that validates data during an `INSERT` or `UPDATE` command. If the constraint is violated when an SQL statement is issued against a table, MySQL raises a general error and aborts the operation altogether. You can use the MySQL `CHECK` constraints to enforce business logic at the backend of your application to achieve data integrity. Also, by defining specific da......