dataware house, Database Management System

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Assigning responsibility for operation, Assigning Responsibility for Operat...

Assigning Responsibility for Operation Many operations might have obvious target objects, but some of these operations could be used at numerous places in an algorithm, by one

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What is an entity relationship model?  The  entity  relationship  model  is  a  collection  of  basic  objects  known as entities  and  relationship  between  those objects. An

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Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher

Example of primary key, Suppose that in an organisation, an employee may do...

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List any two disadvantages of a database system, List any two disadvantages...

List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti

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Select statement-data manipulation language, SELECT Statement This stat...

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