generalization, Database Management System

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what is completeness constrent?

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What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.

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Performance of Various Concurrency Control Mechanisms

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Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)

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A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded where poss

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