You are tasked to design a globally distributed, low-latency database system that also supports SQL-like queries for an application. Which GCP database service would you use, and what would you enable to meet the low-latency requirement?
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Correct answer: Spanner with Multi-region configuration.
Why this is the answer
*Explanation:* To design a globally distributed, low-latency database system that supports SQL-like queries, the recommended GCP database service is **Spanner with Multi-region configuration**. Spanner offers global distribution, high availability, and low-latency access to data while supporting SQL-like queries. Replication alone in Bigtable (Option A. does not provide the required SQL-like query support. Cloud SQL (Option B. lacks global distribution. Firestore (Options C and F) does not offer the same level of SQL-like query capabilities and may not provide the required low-latency performance. Datastore (Option E) does not natively support SQL-like queries.
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