Question

Which among the following is used by Amazon to store the user's shopping cart details?
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Answer 1

Answer:

They work best for shopping cart contents. Redis, Dynamo, Riak are some NoSQL examples of key-value store DataBases. They are all based on Amazon's Dynamo paper

Answer 2

Complete Question:

Which among the following is used by Amazon to store the user's shopping cart details?

a) MemCached

b) Riak

c)Redis

d) DynamoDB

Answer:

d) DynamoDB is used by Amazon to store the user's shopping cart details.

DynamoDB:

• Amazon DynamoDB is a NoSQL database service that allows the creation of database tables that acts as a reserve and retrieve any set of data.
• It handles the data traffic, by broking it down into data packets and sent over a network before being rearranged and combined by the receiving device or computer.
• It is developed by Amazon and established in 2012.
• DynamoDB works in Crossplatform (operating system).

Benefits of DynamoDB:

1. Performance
2. Data model
3. Stream
4. TTL (Time to leave)
5. Scalability
6. Cross-region replication.