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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.
What are the causes behind to perform white box testing? There are three main reasons behind performing the white box testing. 1. Programmers may have some incorrect assumpt
Writing a report explaining all the work in detail in a professional manner and the report should include all the steps below: 1. Draw up a final Entity-Relationship model compr
Question 1 . What are the drawbacks of RAD Model Question 2 . Explain why reliability is more important than efficiency? Question 3 . What are the activities of funct
State Lehman's First law. A program that is used in true world environment essentially must change or become progressively less useful in that environment.
Explain the difference between Latent and Masked Defect. Latent Defect is one which has been in the system for a long time; but is discovered now. I.e. A defect which has been
Explain in detail about software Maintenance. Software maintenance is an action in which program is modified after it has been put into use. Maintenance is termed as the
Give a complete example that how to tackle with it.
Give explanation about the incremental model. - Have same phases as the waterfall model. - Phases are as follows: Analysis. Code. Design. Test. Incre
data dictionary diagram for library management system
Q. Define Aggregation among objects? Aggregation between objects represents a relationship. It is a whole/part relationship. Aggregation may perhaps imply containment.
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