Automatic and transparent denormalization support, wherein denor

Details Automatic and transparent denormalization support, wherein denor Automatic and transparent denormalization support, wherein denor

1990-03-30

1994-11-29

Lee, Thomas C.

Boots, shoes, and leggings

3642831, 3642833, 3642264, 364DIG1, G06F 15401

Patent

active

053697618

ABSTRACT:
A system may be used to enable a database administrator to selectively denormalize a database transparently to users and programmers. The system keeps a record of the mapping between the denormalized fields and the base fields from which they are derived. Processors access those recorded links to keep the database self-consistent and to retrieve data from denormalized fields whenever possible.

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patent: 4829427 (1989-05-01), Green
patent: 4894771 (1990-01-01), Kunii et al.
patent: 5136707 (1992-08-01), Block et al.
"Optimizing the Performance of a Relational Algebra Database Interface", Smith et al., Communications of the ACM, vol. 18, No. 10, Oct. 1975, pp. 568-579.
"Fundamentals of Database Systems", Elmasri et al., 1989, pp. 23-32, 101-111, 356-362, 453-481, Benjamin/Cummings Publishing Co., Redwood City, Calif.
Schkolnick, M., Sorenson, S. M., The Effects of Denormalisation on Database Performance, Australian Computer Journal, Feb., 1982, vol. 14, No. 1, pp. 12-18.
Deshpande, V., Larson, P. A., Transforming From Flat Algebra to Nested Algebra, 5 Jan., 1990, IEEE Proc. of 23rd Annual Hawaii Int'l Conf. on System Sciences, Kailua-Kona, Hi., USA, pp. 298-307.
Inmon, W. H., Denormalization of Data, SMC XII Proc. of 12th Structured Methods Conf., 6 Aug. 1987, Chicago, Ill., USA, pp. 148-165.

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