Q260. You are building a backend service for an ecommerce platform that will persist transaction dat
Q260. You are building a backend service for an ecommerce platform that will persist transaction data from mobile and web clients. After the platform is launched, you expect a large volume of global transactions. Your business team wants to run SQL queries to analyze the data. You need to build a highly available and scalable data store for the platform. What should you do?
A.. Create a multi-region Cloud Spanner instance with an optimized schema.
B.. Create a multi-region Firestore database with aggregation query enabled.
C.. Create a multi-region Cloud SQL for PostgreSQL database with optimized indexes.
D.. Create a multi-region BigQuery dataset with optimized tables.
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