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Parsing an extension to CODASYL FORTRAN DML
Author(s) -
Hinxman A. I.,
Tate Austin
Publication year - 1982
Publication title -
software: practice and experience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 70
eISSN - 1097-024X
pISSN - 0038-0644
DOI - 10.1002/spe.4380120302
Subject(s) - programming language , parsing , computer science , fortran , extension (predicate logic) , data manipulation language , natural language processing , artificial intelligence
The FORTRAN data manipulation language specified by CODASYL requires that parameters be identified by keywords and appear in a prescribed order. These restrictions can largely be removed. A method of parsing the resultant data manipulation language using database structures is described.