Er database theoretical and modeling database system, Database Management System

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Database Design & Management, I need help for my Uni assignments

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Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam

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By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which

Example for while until, Assume you are given a uniprocessor system with on...

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How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra

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We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts. College database remains track of faculty, Stu

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Consistency-transaction , Consistency: This property makes sure that a com...

Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e

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