Show that it is possible to ensure that a dependency-preserving decomposition into 3NF is a loss less-join decomposition by guaranteeing that at least one schema contains a candidate key for the schema being decomposed.
Answer to relevant QuestionsList the three design goals for relational databases, and explain why each is desirable.Let a prime attribute be one that appears in at least one candidate key. Let α and β be sets of attributes such that α → β holds but β → α do not hold. Let A be an attribute that is ...How does the concept of an object in the object-oriented model differ from the concept of an entity in the entity-relationship model?Explain, using an example, how to represent a ternary relationship in an objectoriented data model such as ODMG C++.Consider the E-R diagramin Figure, which contains composite, multivalued and derived attributes.a. Give an SQL: 1999 schema definition corresponding to the E-R diagram. Use an array to represent the multivalued attribute, ...
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