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ER modeling
The entity-relationship modeling can be used effectively for modeling some parts of the problem if the application is primarily a database application. So it is widely used in database design. The relational database schemas derived from these models are basically in third normal form u know which is a desirable characteristic. It is also […]
The data flow diagram is a graphical representation of the system, which depicts information flow that is applied to the data that moves from input to output. It is an intuitive way of showing how data is processed by a system.
Any level of system or software may be represented by the data flow diagram. The […]
Structured analysis technique is used for modeling a problem with using function based decomposition. The structured analysis provides a framework for system modeling details as part of requirements elicitation and analysis. And u know what, mostly structured method have preferred their own set of system models, and define a process which may be used to […]
If u think that software is merely a collection of programs then you’re partially wrong since there’s a difference between a program and a programming system product. Software is not just programs, but includes all the associated documentation and data. This implies that the discipline dealing with the development of software should not deal only […]