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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.
Q. How the Class concept used in Software Engineering? Class:- A class encapsulates data and procedural abstractions required to describe the content and behavior of some real
Write definition of ERD? Entity Relationship Diagram shows the graphical presentation of the object relationship pair. It is above all used in database applications.
What is Criticality? The degree of impact that a necessity, module, error, fault, failure, or other item has on the operation of a system or development.
what is software process model and waterfall model?
What do you understand by "Software Quality"? Quality software means, it's: - Free of bugs - Is easily maintainable - Within the budget - Meets requirements - De
What are the benefits of prototyping? i. Prototype serves as a basis for deriving system specification. ii. Design quality can be improved. iii. System can be maintained
schema tools
how transaction mapping is done.??clear me with a brief example
Hello, I have an assignment and have to derive a regular expression based on a CFG provided but i dont know how. please help.
how to write data dictionary for course management system
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