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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.
how can i build a data base in easy method on database
Describe the functional requirement for a Library management system ?
What are the various elements of data design? i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dict
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Describe the various steps of the reuse-oriented model. The reuse-oriented model, also known as reuse-oriented development (ROD), is a method of software development in which
Explain different recording modes. There are two type of recording modes: context sensitive and analog. - Context Sensitive - identifies GUI objects and records operations
Hello, I have an assignment and have to derive a regular expression based on a CFG provided but i dont know how. please help.
Methodology and system Functionality: High level views of the proposed system in terms of the requirements that will be supported by the proposed system in the context of busine
Define effector process? The effector process is termed as a process that verifies itself. The effector process exists in specific criteria.
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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