Just in case you are wondering how much space your MySQL data actually took on your disk, you can check them on the data files created. By default MySQL created these data files inside
/var/lib/mysql. Then inside the folder you can find the name of your databases as folders. Inside these folders are some files used by MySQL to create your database. Files with these 3 extensions are the data files:
You can use
du to see the size of these files. Hope this information is useful for you!