Data Base Task Group

Short description: Computing industry working group

The Data Base Task Group (DBTG) was a working group founded in 1965 (initially named the List Processing Task Force and later renamed to DBTG in 1967) by the Cobol Committee, formerly Programming Language Committee, of the Conference of Data Systems Language (CODASYL). The DBTG was chaired by William Olle of RCA.^[1]

In April 1971, the DBTG published a report containing specifications of a Data Manipulation Language (DML) and a Data Definition Language (DDL) for standardization of network database model. The first DBTG proposals had already been published in 1969. The specification was subsequently modified and developed in various committees and published by other reports in 1973 and 1978. The specification is often referred to as the DBTG database model or the CODASYL database model. As well as the data model, many basic concepts of database terminology were introduced by this group, notably the concepts of schema and subschema.

External links

Metaxides, A.. "Data base task group report to the CODASYL programming language committee, April 1971". Association for Computing Machinery. https://dl.acm.org/doi/pdf/10.1145/1387569.
CODASYL COBOL journal of development 1968. Gaithersburg, MD: National Bureau of Standards. 1969. https://nvlpubs.nist.gov/nistpubs/Legacy/hb/nbshandbook106.pdf. Retrieved September 10, 2023.
CODASYL data description language: journal of development, June 1973. Gaithersburg, MD: National Bureau of Standards. 1974. https://nvlpubs.nist.gov/nistpubs/Legacy/hb/nbshandbook113.pdf. Retrieved September 10, 2023.
Sibley, Edgar H. (February 1974). "The CODASYL data base approach: a COBOL example of Design and Use of a Personnel File". https://www.govinfo.gov/content/pkg/GOVPUB-C13-0d0d086477e125cd1920a974d2282571/pdf/GOVPUB-C13-0d0d086477e125cd1920a974d2282571.pdf.

References

↑ W Boyd Rayward; Mary Ellen Bowden (2002). The History and Heritage of Scientific and Technological Information Systems. "The DBTG was chaired by William Olle of RCA"

Gunter Schlageter, Wolffried Stucky: Datenbanksysteme: Konzepte und Modelle, B. G. Teubner Stuttgart, 1983, ISBN:3-519-12339-8

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[1] W Boyd Rayward; Mary Ellen Bowden (2002). The History and Heritage of Scientific and Technological Information Systems. "The DBTG was chaired by William Olle of RCA"

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