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What is an artificial (derived) primary key? When should it be used?


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What is primary key in dbms?

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Single File Database: Develop a student record management program, which uses single file as its database. It is not supposed to create additional files at any part of the project and should never rewrite total content. It must be capable of storing 100000's of records. It should support variable length records to be added, deleted, modified, listed.

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What are the different types of database keys?

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What is delimiter in dbms?

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Segregate database technology's development.

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