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TYPES OF DBMS 5.1 INTRODUCTION: There are four main …
1979 by Relational Software, now Oracle Corporation.[6] Other examples of an RDBMS include DB2, SAP Sybase ASE, and Informix. Historical usage of the term The term "relational database" was invented by E. F. Codd at IBM in 1970. Codd introduced the term in his seminal paper "A Relational Model of Data for Large Shared Data Banks".
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