BigQuery
In plain terms
Google's serverless, highly-scalable data warehouse.
Going deeper
BigQuery runs fast SQL analytics over massive datasets without managing infrastructure, billing by data scanned. It's built for analytics at petabyte scale.
Under the hood
Columnar storage and separation of storage/compute enable huge scans; cost depends on bytes processed.
Examples
Big-data analytics, BI dashboards, log analysis, ML on data, GCP.
Think of it like...
Like renting a supercomputer by the query to crunch enormous datasets.