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Issue No. 07 - July (1985 vol. 11)
ISSN: 0098-5589
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.
universal scheme interface, Access path, automatic database navigation, database query language, generalization hierarchy, relational database, unique role assumption

D. Maier, D. Rozenshtein and J. Stein, "Representing Roles in Universal Scheme Interfaces," in IEEE Transactions on Software Engineering, vol. 11, no. , pp. 644-652, 1985.
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