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Further Analysis of the Entity-Relationship Approach to Database Design
January 1981 (vol. 7 no. 1)
pp. 85-99
| ASCII Text | x | ||
| P.A. Ng, "Further Analysis of the Entity-Relationship Approach to Database Design," IEEE Transactions on Software Engineering, vol. 7, no. 1, pp. 85-99, January, 1981. | |||
| BibTex | x | ||
| @article{ 10.1109/TSE.1981.234511, author = {P.A. Ng}, title = {Further Analysis of the Entity-Relationship Approach to Database Design}, journal ={IEEE Transactions on Software Engineering}, volume = {7}, number = {1}, issn = {0098-5589}, year = {1981}, pages = {85-99}, doi = {http://doi.ieeecomputersociety.org/10.1109/TSE.1981.234511}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, } | |||
| RefWorks Procite/RefMan/Endnote | x | ||
| TY - JOUR JO - IEEE Transactions on Software Engineering TI - Further Analysis of the Entity-Relationship Approach to Database Design IS - 1 SN - 0098-5589 SP85 EP99 EPD - 85-99 A1 - P.A. Ng, PY - 1981 KW - network models KW - Determinism and nondeterminism KW - entity-relationship approach KW - functional dependency KW - logical and physical database design KW - normal forms KW - relational KW - hierarchical VL - 7 JA - IEEE Transactions on Software Engineering ER - | |||
The nondeterministic or deterministic entity-relationship model of a database is formaRy defined as a user's view of that database in terms of a collection of time-varying relations: the regular or weak entity relations, or the regular or weak relationship relations. Both nondeterministic and deterministic entity-relationship models have the same strength to characterize information concerning entities and relationships which exist in our minds. An improved table form of the relations is introduced to provide a clear and concise user's view of databases. The basic concept of the entity-relationship approach to the logical database design is provided, and is used to derive 3NF relations. FinaUly, a method of representing physicaly these relations, which are generated by the use of the entity-relationship approach to the logical database design, is presented. Thus, the entity-relationship approach to the logical and physical database design can also be realized.
Index Terms:
network models, Determinism and nondeterminism, entity-relationship approach, functional dependency, logical and physical database design, normal forms, relational, hierarchical
Citation:
P.A. Ng, "Further Analysis of the Entity-Relationship Approach to Database Design," IEEE Transactions on Software Engineering, vol. 7, no. 1, pp. 85-99, Jan. 1981, doi:10.1109/TSE.1981.234511
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