NoSQL Databases are designed to store and process large volumes of unstructured data quickly. They are often used in real-time web applications and big data environments where speed and flexibility are crucial. These databases do not rely on a fixed schema, providing flexibility and scalability to handle diverse data types. They are highly distributed and can manage large data volumes across many servers, making them an attractive choice for businesses dealing with high transaction rates...
The cost depends on the EC2 instances and the size of the data you're indexing.