Chapter five is almost done, let’s repeat what we’ve learned. It was a heavy chapter in terms of SQL, but it’s also our golden ticket into advanced SQL world.
Tracking on the web: pageviews and events
We started this chapter by diving into how tracking works on the web. How analytics works and how data is structured, once it gets into our warehouse. It could be that the column names are different in your real database, but there will always be a column with URL, user_id, some kind of visitor_id etc.
We’ve learned that pageviews are tracked out...