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History of SQL

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History of SQL 

 

  • Dr. E. F. Codd published the paper, "A Relational Model of Data for Large Shared Data Banks", in June 1970 in the Association of Computer Machinery (ACM) journal, Communications of the ACM.
  • Codd's model is now accepted as the definitive model for relational database management systems (RDBMS).
  • The language, Structured English Query Language (SEQUEL) was developed by IBM Corporation, Inc., to use Codd's model.
  • SEQUEL later became SQL (still pronounced "sequel").
  • In 1979, Relational Software, Inc. (now Oracle) introduced the first commercially available implementation of SQL. Today, SQL is accepted as the standard RDBMS language.

 

 

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