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Difficulty: EasyAWS Database Services

A media streaming company is designing a new platform on AWS. They require a fully managed database to store user profile preferences with single-digit millisecond latency at any scale. Additionally, they need a petabyte-scale data warehouse to run complex analytical queries on historical viewing habits. Which two AWS services should the company select to meet these requirements? (Select TWO.)

  1. Amazon DynamoDBAnswer
  2. Amazon RedshiftAnswer
  3. C
    Amazon RDS
  4. D
    Amazon ElastiCache
  5. E
    Amazon Aurora

Answer

Amazon DynamoDB and Amazon Redshift
The correct services are Amazon DynamoDB and Amazon Redshift. Amazon DynamoDB provides the fast, single-digit millisecond latency needed for key-value lookups such as user profile preferences. Amazon Redshift is the dedicated AWS data warehouse service designed to run complex analytical queries against massive volumes of historical data.

Step-by-Step Solution

1
Analyze the first requirement: storing user profile preferences with single-digit millisecond latency at any scale.
Identify Amazon DynamoDB as the matching fully managed NoSQL database designed for fast key-value lookups.
DynamoDB is built specifically for low-latency, highly scalable NoSQL workloads.
2
Analyze the second requirement: a petabyte-scale data warehouse for complex analytical queries on historical viewing habits.
Identify Amazon Redshift as the matching AWS data warehouse service.
Redshift is designed for large-scale analytics and business intelligence workloads.

Key Concept

AWS Database Services selection based on workload type (NoSQL key-value vs. Data Warehouse)
Estimated Time:50s
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Topics

AWS Database Services

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