The best way to start with Dataslayer for BigQuery is to do a historical data import, so you can have all your data into BigQuery.
To achieve this, you'll first need to do an automated data transfer so that your data can stay refreshed automatically, without any manual work. In the video above you can see how to do it as well as learn some more useful tips.
As always, please contact us via our live chat on our website or via email if you still have doubts or questions. We are happy to help!