System R and its major subsystems
Illustrates the System R and its major subsystems?
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System R:
It was designed and developed over a decade of 1974 to79 at IBM in San Jose Research Center. This is a prototype and its motive was to illustrate that this is possible to build a Relational System which can be used within a real life environment to resolve real life problems, along with presentation at least comparable to which of existing system.
Two subsystems of System R are as given below
I. Research Storage
II. System Relational Data System.
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