COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The rhombus symbol in the E-R Diagram depicts____
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Key
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object
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Relation
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Attribute
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Entity
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Explanation:
Detailed explanation-1: -In ER Diagram, an entity is represented using rectangles. Consider an example of an Organisation-Employee, Manager, Department, Product and many more can be taken as entities in an Organisation. The yellow rhombus in between represents a relationship.
Detailed explanation-2: -Within entity-relationship diagrams, relationships are used to document the interaction between two entities. Relationships are usually verbs such as assign, associate, or track and provide useful information that could not be discerned with just the entity types.
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