I have 2 tables: google_analytics and marketing_costs. How can I join these 2 columns (google_analytics['source'] with marketing['medium']) even tho they don't
I came across a data warehousing practice question. I tried to think of various ways to design this but I'm not sure what the best practices are. The question d
Sorry for the links I'm new! I'm confused on the difference between one and one and only one and where they would be used. I just started the class so I apologi
We have a Star schema with a very big Fact table, and around 20 Dimension tables, of course the PK from Dimension Tables have to be FK in the Fact table. But d