relational data base management system, Database Management System

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What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo

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Why a report generator is used ? Report generator is used for print files on paper.

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In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.

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What is the archtetype/instance pattern? The archetype/instance pattern happens when one entity tracks occurrences of another entity. A common example is the relationship among

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A set of possible data values is called? A set of possible data values is called as domain.

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List out various user authorization to modify the database schema. a)  Index authorization b)  Resource authorization c)  Alteration authorization d)  Drop authorizat

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Heuristics, Benefits of using heuristics

Benefits of using heuristics

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