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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 iterative and evolutionary developments? how iteration help in refining requirements
WHAT IS TRANSFORM FLOW
Describe the various elements of data design? i. Data object - The data objects are identified and relationships among various data objects are represented using ERD or data di
What is Software failure? Software failure happens when the software does not do what the user wants to see.
What is Process analysis and modelling? Process analysis The study of existing processes to understand the relationships among parts of the process and to compare them
Why software change occurs? Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need
Problem 1 . What is the purpose of Symbol Table? Write a brief note on various Data structures used in implementing Symbol Tables Stating Purpose Writing note on various D
four circumstances where incremental model is appropriate?
What is Requirements Definition Description Output of requirements of engineering process is Requirements Definition Description (RDD). Requirements engineering can be defined
Illustrate the example of Data dictionary of payroll Data dictionary of payroll may include below fields: PAYROLL = [Payroll Details] = @ employee name + employee + id
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