entity relationship model, Database Management System

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define attribute inheritance with example?

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Assignment, am looking for assignment helper for dbms

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What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.

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explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.

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Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.

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Control as State within Program 1.  The term control exactly means to check effect of input within a program. For illustration, in Figure, after the ATM card is inserted (a

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Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some

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A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode

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