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Describe the various types of restructuring techniques.
(a) Code Restructuring: It is performed to yield a design that produces the similar function but with higher quality than the original program. In general, code-restructuring methods model program logic using Boolean algebra and then apply a series of transformation rules that yield restructured logic
(b) Data Restructuring: Before data restructuring starts, a reverse engineering activity known as analysis of source code must be conducted. The intent is to extract data items and objects, to get information on data flow, and to understand the existing data structures that have been executed.
Discuss in detail about data modeling. Data modelling makes use of the ERD. Consists of three interconnected information. The data object. Attributes. Relatio
Question This question refers to the database Schema. Express the following queries in SQL: (a) List the First Name, Last Name and telephone number of all employees who wer
Q. Define Aggregation among objects? Aggregation between objects represents a relationship. It is a whole/part relationship. Aggregation may perhaps imply containment.
What are the Tools of environmental model (i) Statement of purpose: It indicates basic objectives of system. (ii) Event list: It describes different events of system
explain delphi model
Define Cardinality & Modality. Cardinality: Requirement of the number of occurrences of one that can be linked to number of occurrences of another. Modality: The Modality of
State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
Distinguish between verification and validation. Verification is the set of activities that ensure that software properly implements a specific function. Validation is a differ
Gamma testing is testing of software that does have all the needed features, but did not go by all the in-house quality checks.
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