REQUIREMENTS ENGINEERING
REQUIREMENTS SPECIFICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Depicts relationships between data objects
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Depicts functions that transform the data flow
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Indicates how data are transformed by the system
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Indicates system reactions to external events
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Detailed explanation-1: -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.
Detailed explanation-2: -Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
Detailed explanation-3: -Relationship. Relationships are represented by diamond-shaped box. Name of the relationship is written inside the diamond-box. All the entities (rectangles) participating in a relationship, are connected to it by a line.