system r
     
         a database system built as a research project at
        ibm san jose research now ibm almaden research center in
        the 1970s.  system r introduced the sql language and also
        demonstrated that a relational system database could provide
        good transaction processing performance.
     
        home http://www.mcjones.org/system_r/.
     
        1998-09-29
     
     
see also:
database ibm san jose research ibm almaden research center sql relational system database transaction processing 
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