DynamoDB Quiz
An application sends images to S3. The metadata for these images needs to be saved in persistent storage and is required to be indexed. Which of the following can be used for the underlying metadata storage?
A. AWS Aurora
B. AWS S3
C. AWS DynamoDB
D. AWS RDS
C. AWS DynamoDB
The most efficient storage mechanism for just storing metadata is DynamoDB. DynamoDB is normally used in conjunction with the Simple Storage service. So, after storing the images in S3, you can store their metadata in DynamoDB. You can also create secondary indexes for DynamoDB Tables.
For more information on managing indexes in DynamoDB, please visit the following URL:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SQLtoNoSQL.Indexes.html
