What is the Google recommended tool for such applications?

You are tasked with building an online analytical processing (OLAP) marketing analytics and reporting tool.

This requires a relational database that can operate on hundreds of terabytes of data .

What is the Google recommended tool for such applications?
A . Cloud Spanner, because it is globally distributed
B . Cloud SQL, because it is a fully managed relational database
C . Cloud Firestore, because it offers real-time synchronization across devices
D . BigQuery, because it is designed for large-scale processing of tabular data

Answer: A

Explanation:

Reference: https://cloud.google.com/files/BigQueryTechnicalWP.pdf