Database: Difference between revisions

Revision as of 08:53, 21 November 2013

Revision as of 11:10, 21 November 2013

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==Terminology and overview==

Formally, the term term "database" refers to the data itself and supporting [[data structures]].

Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up so that one set of software programs provides all users with access to all the data.

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[[Object database]]s were invented in the 1980s to overcome the inconvenience of [[object-relational impedance mismatch]], which led to the coining of the term "post-relational" but also development of hybrid [[object-relational database]]s.

The next generation of post-relational databases in the 2000s became known as [[NoSQL]] databases, introducing fast [[key-value store]]s and [[document-oriented database]]s. A competing "next generation" known as [[NewSQL]] databases attempted new implementations that retained the relational/SQL model while aiming to match the high performance of NoSQL compared to commercially available relational DBMSs.

===1960s Navigational DBMS===