Explanation:
DynamoDB supports nested attributes, which allows for the storage of complex data structures within a single item. This approach maintains the integrity of the data model and simplifies queries by keeping related data together.
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Your company is migrating from a relational database to Amazon DynamoDB. The existing schema includes a table with customer information, which includes customer ID, name, address, and order history. The order history is stored as a nested JSON object within the customer record. What approach should be taken to convert this schema to DynamoDB?
A
Flatten the nested JSON object and store it in a separate DynamoDB table.
B
Keep the nested JSON object as is and use DynamoDB's support for nested attributes.
C
Convert the nested JSON object into a string and store it in a single DynamoDB attribute.
D
Create a new DynamoDB table for each nested JSON object.