You can build around any problem you want. To get your thinking started, here are some ideas:

A database to find your favorite songs, representing artists, playlists, albums, and more $($Spotify or Apple Music$)$

A database to manage personal finances, storing bank account balances, transactions, budgets, and more $($Mint$,$ Quicken, or your favorite banking app$)$

A database to help others find friends when they move to a new city, representing people, cities, events, connections, and more $($Meetup$)$

Template Files

To provide you some structure with which to start building your final project, we$$ve provided you with three template files:

DESIGN.md

schema.sql

queries.sql