Explanation:
A. Incorrect. Spanner is more suitable for a global, transactional database requirement. B. Correct. Cloud SQL is a managed service that supports the popular transactional databases MySQL, PostgreSQL, and SQL Server. C. Incorrect. Installing and maintaining your own database instance is more effort on the engineering team. D. Incorrect. A Cloud Storage bucket is not a transactional database.
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You need to choose a data storage solution to support a transactional system. Your customers are primarily based in one region. You want to reduce your administration tasks and focus engineering effort on building your business application.
A
Use Spanner
B
Use Cloud SQL
C
Install a database of your choice on a Compute Engine VM
D
Create a Cloud Storage bucket with a regional bucket.