So I do a lot of examples with Oracle. I just realized that not everyone has the Northwind Database in Oracle!
This repo on github has the DDL (Sql Build Script) where you can create it in Oracle. I will write a more detailed post about how I am using Oracle with docker in the future.
Be warned the Northwind database has obnoxiousness, like why are the table names plural and not singular??? PRODUCTS vs PRODUCT? It's not a good example of how to do a database, but it's useful for examples and testing because people are usually familiar with it. It's very approachable.