COMPUTER SCIENCE AND ENGINEERING
DATABASE MANAGEMENT SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Entity-relationship diagram
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Entity diagram
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Database diagram
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Architectural representation
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Detailed explanation-1: -1 Answer. The Entity-Relationship diagram gives a logical structure of the database graphically.
Detailed explanation-2: -1. Which of the following gives a logical structure of the database graphically? Explanation: E-R diagrams are simple and clear-qualities that may well account in large part for the widespread use of the E-R model.
Detailed explanation-3: -ER models, also called an ER schema, are represented by ER diagrams. ER modelling is based on two concepts: Entities, defined as tables that hold specific information (data) Relationships, defined as the associations or interactions between entities.
Detailed explanation-4: -An Entity Relationship (ER) Diagram is a type of flowchart that illustrates how “entities” such as people, objects or concepts relate to each other within a system.
Detailed explanation-5: -An entity relationship diagram (ERD), also known as an entity relationship model, is a graphical representation that depicts relationships among people, objects, places, concepts or events within an information technology (IT) system.