Can a multivalued attribute be a primary key
WebHow a multivalued attribute can be solved in a relational mapping? – For each multivalued attribute A, create a new relation R. – This relation R will include an attribute corresponding to A, plus the primary key attribute K-as a foreign key in R-of the relation that represents the entity type of relationship type that has A as an attribute.
Can a multivalued attribute be a primary key
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WebDiscuss the difference between a composite key and a composite attribute. ... What are multivalued attributes, and how can they be handled within the database design? _____ Questions 17-20 are based on ... Describe precisely the composition of the DEPENDENT weak entity’s primary key. Use proper terminology in your answer. WebSummary of Normal Forms: Table 14.1 Normal Form Test Remedy (Normalization) 1NF Relation should have no multivalued attributes or nested relations Form new relations for each multivalued attribute or nested relation. 2NF For relations where primary key contains multiple attributes, no nonkey attribute should be functionally dependent on …
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WebAug 1, 2024 · The primary key is a candidate key that is selected by the database designer to be used as an identifying mechanism for the whole entity set fishers finery pillow cases
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