Scenario: You are building a recommendation engine for a streaming service where users' viewing histories and preferences need to be analyzed. Which NoSQL database type would be most suitable for this scenario and why?
- Column-family Store
- Document Store
- Graph Database
- Key-Value Store
A Document Store is well-suited for a recommendation engine in a streaming service. It allows storing and retrieving complex user data, such as viewing histories and preferences, in a flexible and scalable manner, enabling efficient analysis for personalized recommendations.
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