Entity set that does not have sufficient attributes known as, 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 weak entity set.


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Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu

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What are the DBMS languages? Explain.  Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc.     b)  Dat

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It defines that no primary key value can be null. This is as the primary key is used to recognize individual tuple in the relation. So we will not be able to recognize the records

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