Let’s take a look at Bindle’s data warehouse again. It contains:
- production database tables (users, purchases)
- mobile attribution data from Adjust
- web analytics events
- mobile analytics events
- marketing spends from Facebook
- marketing spends from Twitter
The last two live in the same table
marketing_spends but the data comes from two different marketing platforms (Facebook and Twitter).
Let’s think about how this data finds its way into the data warehouse. Does someone run
INSERT queries or import CSVs? That would be a LOT of CSV files every...