In E-R diagram, The Rectangles divided into two parts representsMarks : 1Negative Marks : 0Answer hereEntity setRelationship setAttributes of a relationship setPrimary key
Question
In E-R diagram, The Rectangles divided into two parts representsMarks : 1Negative Marks : 0Answer hereEntity setRelationship setAttributes of a relationship setPrimary key
Solution
In an E-R (Entity-Relationship) diagram, rectangles divided into two parts represent an Entity set. The top part typically contains the entity's name, while the bottom part lists the entity's attributes.
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In E-R modeling, which symbol is used to set up relationships between two or more entities?Marks : 1Negative Marks : 0Answer hereOvalEclipseDiamondRectangle
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Consider the following Entity-Relationship (E-R) diagram and three possible relationship sets (I, II and III) for this E-R diagram:I IIIIIIf different symbols stand for different values (e.g., t1 is definitely not equal to t2), then which of the above could not be the relationship set for the E-R diagram ?
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