Which database solution meets these requirements?

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A global digital advertising company captures browsing metadata to contextually display relevant images, pages, and links to targeted users.A single page load can generate multiple events that need to be stored individually.The maximum size of an event is 200 KB and the average size is 10 KB.Each page load must query the user’s browsing history to provide targeting recommendations.The advertising company expects over 1 billion page visits per day from users in theUnited States, Europe, Hong Kong, and India.The structure of the metadata varies depending on the event.Additionally, the browsing metadata must be written and read with very low latency to ensure a good viewing experience for the users.

Which database solution meets these requirements?

Amazon DocumentDB

Amazon RDS Multi-AZ deployment

Amazon DynamoDB global table

Amazon Aurora Global Database

Explanations:

Amazon DocumentDB is a document-based database, but it does not offer the low-latency global scalability required to handle 1 billion page visits per day efficiently.

Amazon RDS Multi-AZ is a relational database service designed for high availability, not optimized for global low-latency reads and writes or large-scale metadata storage.

Amazon DynamoDB global tables provide fast, low-latency reads and writes with multi-region replication, making it ideal for high-scale, low-latency metadata storage.

Amazon Aurora Global Database is designed for relational workloads, which are less suited for the highly variable, document-based structure of the browsing metadata.

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