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Basic structure of navigational CODASYL database model [1]. Charles William Bachman III (December 11, 1924 – July 13, 2017) was an American computer scientist, who spent his entire career as an industrial researcher, developer, and manager rather than in academia.
Integrated Data Store (IDS) was an early network database management system largely used by industry, known for its high performance. IDS became the basis for the CODASYL Data Base Task Group standards.
The model is named after database pioneer Charles Bachman, and mostly used in computer software design. In a relational model, a relation is the cohesion of attributes that are fully and not transitive functional dependent [clarify] of every key in that relation. The coupling between the relations is based on accordant attributes.
Bachmann Industries (Bachmann Brothers, Inc.) is a Bermuda-registered, Chinese-owned company, globally headquartered in Hong Kong; specialising in model railroading. Founded in Philadelphia, Pennsylvania , the home of its North American headquarters, Bachmann is today part of the Kader group, whose model products are made at a Chinese ...
Bachmann Branchline is a British OO gauge model railway brand manufactured by Bachmann Europe PLC, a subsidiary of Bachmann Industries, and is used for British outline OO scale model railways. U.K. prototype model of a 00 scale (1:76) British Rail Class 25 shown with an 18mm- five pence coin for scale
Friedrich Bachmann (born 11 February 1909 in Wernigerode, died 1 October 1982 in Kiel. [1]) was a German mathematician who specialised in geometry and group theory. [2]
Bachmann studied mathematics at the university of his native city of Berlin and received his doctorate in 1862 for his thesis on group theory. He then went to Breslau to study for his habilitation, which he received in 1864 for his thesis on Complex Units. He was a professor at Breslau and later at Münster. [1] Bachmann late in his life
Joseph Siegmund Bachmann (monastic name Sixtus Bachmann; 18 July 1754 – 18 October 1825) was a German organist and composer. Musically talented at an early age, he had an organ-playing competition in 1766 with the ten-year-old Wolfgang Amadeus Mozart .