old_DATA4200 - Week 3 :)

What is a stream processing?

• It is a way to process large amounts of data at once

• Data process focus on actioning the output

• Real-time processing of continuous streams of data in motion

• Works only with unstructured databases

What is scaling up?

• It spreads the workload across more machines

• It migrates the systems to a larger server to increase capacity

• It is also called clustering

• It reduces the cost as you purchase a new server only when needed

What is wrong about cloud storage?

• You can only store unstructured files

• It is an inexpensive option for large amount of data

• Allow users to share data across different business units

• Possible to update files manually or using a pipeline (automated)

What is the database type we can store and transform in MongoDB?

• Key-Value database

• Document database

• Wide-Column database

• Graph database

What are the two elements of a graph database?

• Relationships & Labels

• Nodes & Labels

• Relationships & Models

• Nodes & Relationships