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Modified ER diagram representing cardinalities
When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Maximum cardinality is the maximum number of instances of second entity. Hence, modified ER diagram is demonstrated in Figure.
QUESTION - Fault Tolerance (a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a
of elicitation methods
SOFTWARE DEVELOPMENT: Software development is a human activity. It involves a clear understanding of the field of application, such as library and information science; knowled
What is a process modeling and management tool? Process modeling and management tools are used to show the key elements of a process so it can be better understood. Such tools
A testing method that aids in selecting, in a systematic way, a high-yield set of test cases that logically relates causes to effects to produce test cases. It has a useful side ef
What is difference among transfection and transduction? Ans) Transfection: Transmission of naked DNA into eukaryotic cell Transduction: Transmission of genetic material from
Why software change occurs? Software change occurs because of the following reasons. New requirements appear when the software is used. The business atmosphere changes. E
Types of coupling are:- A) Data coupling B) Stamp coupling C) Control coupling D) External coupling E)Common coupling F) Content coupling
(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
Define Software design. Software design is an iterative process by requirements are translated into a "blue print" for constructing the software. The blue print dep
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