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Q1) Draw the E-R diagram which models an online bookstore.
a. List the entity sets and their primary keys.
b. Suppose the bookstore adds music cassettes and compact disks to its collection. The same music item may be present in cassette or compact disk format, with differing prices. Extend the E-R diagram to model this addition, ignoring the effect on shopping baskets.
c. Now extend the E-R diagram, using generalization, to model the case where a shopping basket may contain any combination of books, music cassettes, or compact disks.
Draw an E/R diagram for the following situation: Doctors prescribe drugs for patients. A given doctor can prescribe many drugs for a certain patient.
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ITECH3501- 6501 Principles of Software Engineering: Investigate and analyse the effect of applying CMMI practices/processes in an Agile environment in terms of business performance improvement and the limitations/restrictions of using both, and writ..
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Explode Context level DFD to Level 0 DFD to illustrate sub-systems (processes). Level 0 DFD illustrates internal data stores and how data flows through processes.
Describe purpose of the keyword super in programs
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Write a Research Report on software design and answer diffrent type of questions related to design. Report contain diffrent basic questions related to software design.
Cyclomatic complexity, monitoring devices, wireless dial-out device with controller, Request for Proposals (RFPs), Weighted IFC
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If you have five critical errors, two main faults, and five minor errors, what is the standard error
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