primary key, Database Management System

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Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi

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What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini

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Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager

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Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below:     Figure: Class with attributes and operations A

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Er model, explain the steps for reduction of er model into relational model...

explain the steps for reduction of er model into relational model?

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