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Karthikeyan Ramasamy; Prasad M. Deshpande

doi:10.4018/978-1-59140-560-3.ch104

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Karthikeyan Ramasamy (Juniper Networks, USA) and Prasad M. Deshpande (IBM Almaden Research Center, USA)

Source Title: Encyclopedia of Database Technologies and Applications

DOI: 10.4018/978-1-59140-560-3.ch104

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Abstract

About three decades ago, when Codd (1970) invented the relational database model, it took the database world by storm. The enterprises that adapted it early won a large competitive edge. The past two decades have witnessed tremendous growth of relational database systems, and today the relational model is by far the dominant data model and is the foundation for leading DBMS products, including IBM DB2, Informix, Oracle, Sybase, and Microsoft SQL server. Relational databases have become a multibillion-dollar industry.

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