I checked god awful amount of websites to understand data governance and still couldn't figure out what it really is until if came across this video. It's crisp it's clear and I understood everything the presenter said. Great video guys! :)
Aristotle famously wrote, "The more you know, the more you realize you don't know." The more I know working on BigQuery, the more I realize I don't know.
This documentation may help; it explains how table modifications work in BigQuery, and gives more information on how to decide what services match best with your use case: cloud.google.com/architecture/bigquery-data-warehouse#handling_change