A company is migrating a legacy application to AWS. The application requires a relational database. The database will be heavily used during the day but completely idle at night. The company wants to minimize licensing and compute costs. Which solution is MOST cost-effective?

Answer options:

Amazon RDS for Oracle with a Reserved Instance

Amazon EC2 with SQL Server installed

Amazon Aurora Serverless

Amazon DynamoDB

How to approach this question

Combine 'relational', 'idle at night', and 'minimize licensing'. Aurora Serverless fits perfectly.

Full Answer

C.Amazon Aurora Serverless✓ Correct

Amazon Aurora Serverless

Amazon Aurora Serverless is an on-demand, auto-scaling configuration for Amazon Aurora. It automatically starts up, shuts down, and scales capacity up or down based on your application's needs.

Common mistakes

Choosing DynamoDB, ignoring the 'relational' requirement.

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Practice the full AWS SAA-C03 Practice Exam 7

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