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Representing Roles in Universal Scheme Interfaces
July 1985 (vol. 11 no. 7)
pp. 644-652
D. Maier, Oregon Graduate Center
Users of a relational database must explicitly navigate between relations in order to establish a connection among a set of attributes spanning several relation schemes. While a universal scheme interface to a relational database provides users with automatic navigation, it usually imposes on the database a unique role assumption. This assumption requires every attribute name to represent a unique role in the database, so that connections among sets of attributes are unambiguous.
Index Terms:
universal scheme interface, Access path, automatic database navigation, database query language, generalization hierarchy, relational database, unique role assumption
Citation:
D. Maier, D. Rozenshtein, J. Stein, "Representing Roles in Universal Scheme Interfaces," IEEE Transactions on Software Engineering, vol. 11, no. 7, pp. 644-652, July 1985, doi:10.1109/TSE.1985.232508
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