BigQuery
This gives you an idea of several things you can query from the database. It includes notes in the query to help you out.
Looker Studio Templates And Queries:
Unpaid Product Report Query And Template
Paid Report Query And Template
PASF Report Query And Template
Video Pack YouTube Channel Report Query And Template
Google Sheets/Excel Templates
SERPs Containing AI Overviews And Where Certain Domain Ranks
Top 20 Ranking Results Report Query And Template