The document describes two methods for uploading images to a MySQL database using PHP:
1. Uploading the image file path to a database table. Files are saved to a folder and the file path is inserted along with other metadata.
2. Uploading the image file as a BLOB directly to the database table. The file is read into a binary string and inserted along with other metadata.
A set of PHP files are created to handle the upload process, display uploaded files, and allow editing file metadata and images. Tables are created to store the file metadata and path/BLOB along with other fields like name.