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Explain about the E-R Diagram
Entity-relationship (E-R) diagram is detailed logical representation of data for an organisation. It is data oriented model of a system while DFD is a process oriented model. ER diagram represent data at rest whereas DFD tracks the motion of data.
ERD doesn't provide any information regarding functionality of data. It has 3 main components - data entities, their relationships and their associated attributes.
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A town comprise 5000 houses. Every house owner should pay tax based on the value of house. Houses over $200 000 pay 2% of their value in tax, houses over $100 000 pay 1.5% of their
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Write down the SRC for "Add a node" Function Add node Description Adds a node to an existing design. Inputs Node type, Design Identifier, Node position Source
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What is System Simulation? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Question 1 A) If you are a software engineer you must be expert in the field of hardware, software and also database. It has been listed by the industry professionals that time a
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