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A company is developing an application that uses an Amazon Aurora MySQL database.

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A company is developing an application that uses an Amazon Aurora MySQL database. The company plans to regularly make changes to the MySQL database schema to test new features. The tests must not affect the existing production database.

When the company finishes testing, a developer needs to replicate the changes to the production database. The solution must cause minimal downtime.

Which solution will meet these requirements?

A.

Create a new staging Aurora MySQL database cluster based on the existing database. Make the schema changes to the new staging database cluster to test the new features.

B.

Create a read replica based on the existing Aurora MySQL database. Make the schema changes to the read replica. Promote the read replica to primary after successful testing.

C.

Create a blue/green deployment of the Aurora MySQL database. Make schema changes in the staging environment to test new features. Direct traffic from the green environment to the blue environment when testing is complete.

D.

Replicate the Aurora MySQL database to an Amazon DynamoDB table. Make the schema changes to the DynamoDB table to test the new features. Configure the application to use the DynamoDB table when testing is complete.

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