Rafael Camps

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The transformation from n-ary relationships to a relational database schema has never been really fully analyzed. This paper presents one of the several ternary cases ignored by the ER-to-RM literature. The case shows that the following common belief is wrong: Given a set of FDs over a table resulting in a non-3NF situation, it is always possible to obtain(More)
To begin with, which RM do we mean? There are several lines of RM and each has had its own evolution. The original line was originated by E.F.Codd [5] who developed during the Seventies what he later [1] named RM/VI. In 1979 he proposed a new model, the RM/T [4] that meant a huge change from the original RM approach. In the Eighties, sensing that plain(More)
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