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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
What is Boundary value Analysis? Boundary value analysis is a method in software testing where tests are designed for showing boundary values. The values will be on the edge of
? A store is in the business of selling paints and hardware items. A number of reputed companies supply items to the store. New suppliers can also register with the store after pro
What we called the problem arising in development of software Problems arising in the development of software is called as crisis. It includes problems arising in the process o
Define Data Dictionary The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous definitions so that user
Hard drive has space, but it keeps telling me that its full and asks me to delete files. I checked. There is nearly full C drives (8GB) but when i am open c drive and check than ne
Q. How can we use Spiral model in large-scale systems? Spiral model is as well known as spiral life cycle model is the system development life cycle model utilized in informati
Q. What is the use of a data flow diagram? Explain the important concepts of data flow diagram. Ans. A data flow diagram is utilized to show the functional view of an applica
Explain Defect? Ans) 1) From the producer's viewpoint: a product needs that has not been met or a product attribute possessed by a product or a function perform by a product tha
Explain Spiral model The spiral model is separated into number of frame works. These frameworks are indicated by task regions. Usually there are six task regions. In spir
Q. What is Boundary Value Analysis? Boundary Value Analysis: It is extensively recognized that input values at the extreme ends of input domain cause more errors in system. M
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