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The main model was CODASYL [1], a hierarchical navigational database standard. There were also various vendor-supplied things like IBM IMS for simple indexed s
by jhayward 8y ago
The main model was CODASYL [1], a hierarchical navigational database standard. There were also various vendor-supplied things like IBM IMS for simple indexed storage/retrieval.
[1] https://en.wikipedia.org/wiki/CODASYL https://en.wikipedia.org/wiki/CODASYL