Data re-engineering may be part of the process of migrating from a file-based system to a DBMS-based system or changing from one DBMS to another.

Related MCQs

• Match the following: A- Formal mathematical transformation: B- Formal process model: C-Formal Specifications: D-Formal System development: 1- Here the formal mathema- tical representation of the system takes place. 2- It is a starting point for process analysis. It is abstract and only defines the principal process activities and deliverables. 3-Specifications expressed in a language whose vocabulary, syntax and semantics are formally defined. 4-It is more common to waterfall model, but here the development process is based on formal mathematical transformation of a system specification to an exactable program.
• In system modeling : A-Classification model; B-Stimulus-response model; C-Data processing model: 1-Here data-flow diagram show how data is processed at different stages; 2-Here object class/inheritance diagram show, how entities have the common characteristics; 3-Here state transition diagram shows the how the system reader to internal and external events
• __________ is a graphic representation of system that shows data flows to from and within system, processing functions that change the data in some manner and storage of tis data.
• ---------------- It depict constantly an ongoing constantly changing the system
• In what type of coupling, the complete data structure is passed from one module to another?
• Extracting data items and objects, to get information on data flow, and to understand the existing data structures that have been implemented is sometimes called
• Match the following : A-Control metrics : B- Process metrics: C- Control: D-Correctness: 1- They are associated with software process. 2- They are associated with software products. 3- Protective measure that reduces system vulnerability. 4- Extent to which a system or component is free from faults in its specification, design, and implementation
• If requirements are frequently changing, which model is to be selected?
• Which of the following Requirement Elicitation Techniques is applicable to messy, changing and ill-defined problem situations?
• This module gets data from super-ordinates, process that data and again forward It to super-ordinate modules, These modules are used for processing purpose.