I don't have any good resources on the data modeling side, but on the SQL side the PostgreSQL manual[0] is really good. Even when I'm working with an Oracle dat

I don't have any good resources on the data modeling side, but on the SQL side the PostgreSQL manual[0] is really good. Even when I'm working with an Oracle database, I often find myself looking at the PostgreSQL documentation. [0] https://www.postgresql.org/docs/12/index.html https://www.postgresql.org/docs/12/index.html