Database

Database

1. a structured set of data held in a computer, especially one that is accessible in various ways

   • On-Demand Online Video Streaming; Online streaming services, such as Hulu and Netflix, use databases to keep track of which TV shows and movies are available and your viewing preferences, so it can provide better watching recommendations every time you log in to the service. As you can imagine, streaming platforms move around petabytes of data at any given time, which they then need to organize and analyze. Hulu, for example, chose Apache Cassandra, one of the NoSQL distributed databases, for those needs because of its scalability, availability, and performance.
   • what is database?
     • At its simplest expression, a database is a gathering of information, here called data, stored on a server. You organize the data in a way so the end-user can retrieve, manage, and edit it in significant ways. This data could be something very simple such as personal information about clients or customers. It could also be inventory, sales, calls, or anything anyone needs to track. It’s up to the user to determine the format and what data they need to aggregate.