The other day I asked for an analysis or at least an UML diagram since we are having quite some troubles and my boss looked disgusted at me for asking such a question. I’m not a professional backend developer, so I don’t know how it works professionally
The DB is already made, but they had to change it cause they didn’t plan a huge portion of its logic beforehand even though they knew about it: this resulted in major changes across the whole schema
Blobs of json are your friend.