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Answer: Cloud SQL
Cloud SQL is the correct answer. It is a managed relational database service in Google Cloud that supports popular databases like MySQL, PostgreSQL, and SQL Server. Cloud SQL is cost-effective and can handle up to 30 TB per instance, which makes it suitable for your 2TB requirement. Unlike Cloud Spanner, Cloud SQL does not require significant refactoring of the application, making it a better fit for this scenario where you do not have resources to refactor. Cloud Bigtable, on the other hand, is more suitable for NoSQL workloads and Firestore is primarily for document-based databases.
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You need to migrate a 2TB relational database to Google Cloud Platform. Given the constraints that you do not have sufficient resources to undertake a significant refactoring of the application that utilizes this database, and that keeping operational costs low is of utmost importance, which Google Cloud service would you choose for storing and serving your data?
A
Cloud Spanner
B
Cloud Bigtable
C
Cloud Firestore
D
Cloud SQL
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