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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.
Hello, I am a CS graduate and i just got a new job in a software development company. My boss assigned me to come up with what he called "the perfect pie chart" basically he says
Q. Explain Steps in Building the Structure Chart? Steps in Building the Structure Chart 1. Identify top level modules as well as decompose them into lower levels 2. Add
Write about software change strategies. The software change methods that could be applied separately or together are: Software maintenance - The alters are made in the software
(a) What is a view? (b) What is the implication of creating a view with the select * statement in the view definition? (c) Make reference to the relational schema given in
What are the roles of glass-box and black-box testing tools? Glass Box (or white box) testing is the method of giving i/p to the system and checking how the system processes i/
Define software testing? Software testing is a critical element of software quality assurance and shows the ultimate review of design, specification, and coding.
Mention some of the drawbacks of RAD model. Unuseful for a large-scale projects. Interest of developers & customers are necessary. Not useful and perfect when technica
The University needs to develop an online student registration system for new CAO entrants. This system will allow new students to enroll in their university course. Each student i
WRITE A SHORT NOTE ON PERT CHART
Determine the common problems with software automation ? The biggest concern is the cost incurred for test automation. Also, often s/w test automation needs skilled personnel an
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