projet de gestion des comptes bancaires - Java

Nextjs + Prisma ORM REST API with SQLite featuring user authentication (login, register, change password/email, delete account). Users can create, edit, and delete titles with descriptions. A "same" section allows users to view the count of similar titles created and access emails of users with identical titles.

admin dash board

I ones build a stupid non functional acount system i didn't now how to use databases. Now i want to make it cleaner and better. Actually right now i don't know what the fuck code I have writen.