DynamoDB is no sql, fully managed database.
What is the difference between relational database and nosql database.
Relational database stores the data in table format where as no sql database stores the data as document for high scalability.
NoSQL database stores the data as key value.
There are many no sql database available in the market like mongodb, Cassandra, Redis etc.
What is the difference about DynamoDB.
With dynamoDB, you never worry about database maintanance and administration.
You can use the local version of DynamoDB to developer your app locally. Then use DynamoDB service to scale globally.
It is great for bigdata, gaming, mobile apps etc for high availability.
It takes backup with regular intervals. You dont need to follow ACID properties.
It is accessed by web services.
