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Answer: Cloud Datastore
The correct answer is D: Cloud Datastore. Cloud Datastore (now part of Google Cloud Firestore) is designed for high scalability and ease of management for applications. It is a NoSQL document database built for automatic scaling, high performance, and ease of application development. It's serverless, meaning it handles the scaling, performance, and management automatically, fitting the requirement of not wanting to manage infrastructure scaling. Cloud SQL, although a relational database suitable for many use cases, does not offer the same level of automatic scaling for resource management.
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In the context of developing a point-of-sale application on Google Cloud Platform, you need a solution that can handle a potentially exponential growth in your user base. The key requirement is to process payment transactions efficiently without having to manage infrastructure scaling manually. Given these requirements, which Google Cloud database service would be the most suitable choice?
A
Cloud SQL
B
BigQuery
C
Cloud Bigtable
D
Cloud Datastore
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