NoSQL is a whole new way of thinking about databases. Relational database may not be the best solution to all scenarios. NoSQL does not observe the traditional relational database structure. It is not built on tables and does not need SQL to manipulate data.
Interactive applications have changed greatly over the last 15 years and, so have data management needs. Currently three interrelated trends Big Data, Big Users, and Cloud Computing are driving the idea of NoSQL.
Currently new applications are being hosted in the cloud and are available over the internet where they must support global users everyday. Over 2.5 billion people are connected to the internet worldwide and the amount of time each spends online is steadily growing. Supporting large number of users simultaneously is important but tracking the usage of applications is difficult to determine so its necessary to support rapid growing numbers of concurrent users. Maintaining the performance users demand is nearly impossible and developers are moving away from relational technologies to a more scalable database technology which NoSQL provides.
Third parties such as Twitter, Facebook and others have made data capture and retrieval a lot easier than it used to be. Personal user information, machine logging data and an array of ever-expanding data are being captured. The use of data is increasingly changing and the nature of its usage. Applications that do not find ways to balance it quickly fall behind. NoSQL provides a data model that maps better to the application’s organization of data and simplifies the interaction between the application and the database, resulting in less code to write, debug, and maintain.
MongoDB,
RethinkDB,
Elasticsearch,
Couchbase Server
amongst others which can be of great usage.
NoSQL databases meets new challenges for three main reasons:
- Better application development productivity through more flexible data model
- Great ability to scale dynamically to support more users and data
- Improved performance for highly responsive applications and to allow more complex processing of data.
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