NoSQL databases are non-relational databases that store data in a flexible and schema-free format, allowing for fast and scalable data processing. NoSQL databases are used in many applications, such as real-time analytics, content management, and social networking. Popular NoSQL databases include MongoDB, Cassandra, and Redis. View more Cloud computing is a model of computing where resources, such as computing power, storage, and applications, are delivered over the internet on a pay-per-use basis. Cloud computing can provide flexibility, scalability, and cost savings. Popular cloud computing platforms include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.