You’re invited to check out out all the different learning resources in the guide: problems and projects, former Google interview questions, online courses, education sites, videos, and more.
Exploring and Preparing Your Data with BigQuery
An excellent resource for all things BigQuery, this Coursera course covers many topics that aren't addressed in single tutorials. Learn to solve common challenges faced by data analysts with GCP's big data tools, and pick up some SQL along the way. (paywall)Open link