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Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram ?Marks : 1Negative Marks : 0Answer hereDiamonds with double/bold borderRectangles with double/bold borderOvals with double/bold borderOvals that contain underlined identifiers

Question

Which one of the following is used to represent the supporting many-one relationships of a weak entity set in an entity-relationship diagram ?Marks : 1Negative Marks : 0Answer hereDiamonds with double/bold borderRectangles with double/bold borderOvals with double/bold borderOvals that contain underlined identifiers

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Solution

The correct answer is "Diamonds with double/bold border". In an entity-relationship diagram, a diamond shape is used to represent a relationship. A double or bold border on this diamond indicates that the relationship is a supporting many-one relationship for a weak entity set.

Similar Questions

A weak entity set in an E-R diagram is an entity set that:Marks : 1Negative Marks : 0Answer herehas a primary keymust be part of a one to many relationship setis not existence dependent on a dominant entitymust not participate as owner in an identifying relationship with another entity set

In an Entity-Relationship Diagram “Diamonds” representsSelect one:a. Relationship setsb. Weak Entityc. Tabled. Attributes

The number of entities to which another entity can be associated via a relationship set is expressed as :Marks : 1Negative Marks : 0Answer hereEntityCardinalitySchemaAttributes

In E-R modeling, which symbol is used to set up relationships between two or more entities?Marks : 1Negative Marks : 0Answer hereOvalEclipseDiamondRectangle

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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