Global Tables give DynamoDB multi-Region, active-active replication. Your table exists in several Regions at once, each accepting reads and writes, kept in sync automatically — for global apps and low-latency access worldwide.
The tell
When a scenario needs a database that serves users in multiple Regions with local low latency and multi-Region resilience (write anywhere), that’s Global Tables. It’s DynamoDB’s answer for global, highly-available, active-active workloads.
Test yourself
A global application needs single-digit-millisecond DynamoDB access for users in multiple Regions, with writes accepted locally in each Region. What do you use?
- A Read Replica in each Region
- DynamoDB Global Tables
- Cross-Region S3 replication
- A single-Region table with CloudFront
👉 Click to reveal the answer & explanation
Correct answer: B. Global Tables provide active-active, multi-Region replication so each Region serves local low-latency reads and writes. DynamoDB doesn’t use RDS-style Read Replicas (A); S3 replication (C) is object storage; CloudFront (D) caches content, not database writes.
Related topics
Amazon DynamoDB · DynamoDB DAX · DynamoDB capacity modes
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