Assignments, Database Management System

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i have assignments I don''t have time to finish because of work and other assignments, can you help with this? All are from the book Darabase design, application development and administration by Mannino

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Union - basic set operation, UNION If R1 and R2 are two union compatibl...

UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples

Functional dependency, Functional Dependency Consider a relation R that...

Functional Dependency Consider a relation R that has 2 attributes A and B. The attribute B of the relation is functionally dependent on the attribute A if and only if for every

What is an entity relationship model, What is an entity relationship model?...

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Define Catalog and meta data ? A catalog is a compilation of records elaborating the contents of a particular collection or group of collections. Metadata (Meta data, or someti

Explain the concepts of relational data model, Explain the concepts of rela...

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Defining internal classes and operations, Defining Internal Classes and Ope...

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Normalization, Normalize the given relation to 3NF, justifying each step

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Optimistic concurrency contents -write-set(t), write-set(T): Each data ite...

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Why were functional methods fashionable in early days, Why were functional ...

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Describe the objective of structural diagrams, Describe the objective of St...

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