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Language peer sets for Data Retrieval Language:
Designed 1971
1970s languages
Third generation
High Cold War
Genus Ad hoc query languages
Ad hoc query languages
Erotetic systems
Ad hoc query languages/1971
Interrogatory /1971
Erotetic systems/1971

Data Retrieval Language(ID:3449/dat019)

alternate simple view
Designed 1971
Published: 1971
Genus: Ad hoc query languages

Dept of Supply 4GL?

  • Fong, E. (1971) Fong, E. (1971). A preliminary design of a data retrieval language to handle a generalized data base: DRL. Washington,, National Bureau of Standards; for sale by the Supt. of Docs. U.S. Govt. Print. Off.
  • (2002) Library of Congress Subject Headings D25
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