What is system r, Database Management System

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What is System R? What are its two major subsystems?

System R was intended and developed over a period of 1974-79 at IBM San Jose Research Center. It is a prototype and its purpose was to illustrate that it is possible to build a Relational System that can be used in a real life environment to solve real life problems, with performance at least comparable to that of existing system.

Its two subsystems are

Research Storage

System Relational Data System.

 


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