ER diagram , Database Management System

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An entity set that does not have sufficient attributes to form a primary key is called? An entity set that doesn't have sufficient attribute to form a primary key is known as w

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Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.

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Attributes having a one value for a particular entity. For instance, Age is a single valued attribute of a student entity. Attributes  that  have  more  than  single  values

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Thid, describe objectivde of file organisation

describe objectivde of file organisation

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