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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 dictionaries.
ii. Databases - Using software design model, the data models are changed into data structures and data bases at the application level.
iii. Data warehouses - At the business level useful information is identified from various databases and the data warehouses are created
what are the importances of refinement
Q. Classes of data items in a data dictionary? There are three classes of data items in a data dictionary 1) Data element- It is the smallest unit of data that cannot be me
What are the Related data items Related data items captures details of related attributes. Range of values store total possible values of that data. Data structure definition c
effects of nativity in requirements specification
Software project planning entails what activities?
Q. Why is good design important for a product? Ans: A superior design is the key to successful product. Almost 2000 years previously a Roman Architect recorded the followin
A manual [formal] testing [error detection] method where the programmer reads source code, statement by statement, to a group who ask questions determined the program logic, determ
Re-Engineering cost factors:- 1) The amount of the software to be re-engineered. 2) The tool support available for re-engineering. 3) The extent of the data conversion
What are the Toolsused in system analyst Systems analyst have numerous tools to help them in carrying out their work. As many of their projects are for big companies it is ess
Testing to satisfy coverage criteria that every logical path by the program be tested. Often paths by the program are grouped into a finite set of classes. Single path from every c
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