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 for Codasyl
From The Free On-line Dictionary of Computing (30 December 2018) :

  Conference On DAta SYstems Languages
      (CODASYL) A consortium that developed database models and
     standard database extensions for COBOL.
     CODASYL was formed in 1959 to guide the development of a
     standard programming language that could be used on many
     computers.  Members came from industry and government data
     processing departments.  Its goal was to promote more effective
     data systems analysis, design and implementation.  It published
     specifications for various languages over the years, handing these
     over to official standards bodies ({ISO, ANSI or their
     predecessors) for formal standardisation.
     The 1965 List Processing Task Force worked on the IDS/I database
     extension.  It later renamed itself to the Data Base Task Group
     (DBTG) and publishing the Codasyl Data Model, the first to allow
     one-to-many relations.  This work also introduced data
     definition languages (DDLs) to define the database schema and a
     data manipulation language (DML) to be embedded in COBOL
     programs to request and update data in the database.
     Interest in CODASYL declined with the rise of relational
     databases beginning in the early 1980s.

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