this section doesn't have any assignments because it's continued in the next three sections, each with its own specific focus for data storage and retrieval.
if you haven't done it already, though, you should take this advantage to ensure you have mariadb installed and know the access codes required to use it from inside php.
we'll make up for the lack of work required here in the next three sessions because this is where the serious development really begins, when data isn't just restricted to a single session or user.