NoSQL databases were created to handle big data as part of their fundamental architecture. The amount of data in many applications cannot be served affordably by a SQL database. NoSQL databases often store data in a form that is similar to the objects used in applications, reducing the need for translation from the form the data is stored into the form the data takes in the code. NoSQL databases are often better suited to storing and modeling structured, semi-structured, and unstructured data in one database. The structure of many different forms of data is more easily handled and evolved with a NoSQL database. When a developer must ask a SQL database administrator to change the structure of a database and then unload and reload the data, it can slow development down.
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The pace of development with NoSQL databases can be much faster than with a SQL database.īecause NoSQL databases often allow developers to be in control of the structure of the data, they are a good fit with modern Agile development practices based on sprints, quick iterations, and frequent code pushes. NoSQL database technology is usually adopted for one or more of the following reasons: When Would You Want to Use NoSQL over SQL? (See Types of NoSQL Databases for more detail.) This discussion treats them all as a group and identifies the main reasons people are turning to NoSQL databases in general. NoSQL covers a lot of different database structures and data models.
Many other forms of database technology have come and gone, but few have had the wide adoption of NoSQL.īy understanding the rise in popularity of NoSQL databases, we should be able to shed light on when it makes sense to use NoSQL. The rise of NoSQL is an important event in computer science and in application development because SQL has been so dominant for so long. For this reason, from the mid-2000s to 2020 we have seen a steady rise in the adoption of NoSQL database technology. These applications are often hard to build and evolve rapidly using SQL technology. What has happened in a broad sense is that the frustrations that led the early Internet companies to create NoSQL databases are now shared by almost every organization.ĭigital transformation is the name for the trend toward serving customers using scalable, customizable, Internet and mobile applications. After leaving DoubleClick, Dwight Merriman, Eliot Horowtiz, and Kevin Ryan founded MongoDB in 2007 to create the NoSQL database they always wanted.Īlso, at the same time, NoSQL databases started appearing, the public cloud was invented and has become an important way that database technology is delivered. The founders of MongoDB experienced frustration with SQL technology while building out DoubleClick, an early Internet advertising firm that is now part of Google.
Most of these were developed in-house and were later published as open source. The demands of these applications could not be served by SQL technology and each of the early companies developed new databases to meet their needs. NoSQL came out of industry, driven by the needs of the successful pioneers of both web-scale applications and infrastructure for search and advertising. There is always a large amount of innovation in database technology from both academia and industry. This article seeks to explain why NoSQL is growing in popularity and when is NoSQL a good choice for building applications. These changes have led many organizations of all sizes to adopt NoSQL database technology. The amount of data, the structure of the data, the scale of applications, the way applications have developed have all changed dramatically. Large commercial applications, niche products, and custom applications of all types were based on SQL.īut the rise of the Internet has changed application development profoundly. From the 1980s to the Internet era in the late 1990s, SQL databases dominated the development landscape.
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