Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Which data modelling methodologies are the most effective, and why do you believe it is important to make use of them when the analysis phase is being carried out? How do we go about selecting the data points that will be used in the process of modelling?
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- You work as an information technology consultant, and you have been tasked with developing a new system for a modest real estate brokerage firm. All of your previous experience has been gained through traditional data and process modeling methodologies. This time, you decide to use an object-oriented approach to solving the problem. What method will you use to get started? What are the differences between these tasks and typical structured analysis?arrow_forwardWhich data modeling techniques are most helpful and why are they important during the analysis phase? How do we determine which data points we need to model?arrow_forwardWhat are the four various E-R diagram types that are produced during conceptual data modelling, and why are they studied?arrow_forward
- Creating data environments with widely dispersed data requires making choices on how to best strike a balance between the different aspects.arrow_forwardDescribe the guidelines that must be followed in order to construct effective data-flow diagrams.arrow_forwardTo what extent does the analytical process depend on data modeling? Is there a way to figure out how much data we'll need for our model?arrow_forward
- What role does data modelling play in the analysis process, and how valuable is it in this process? It's not clear exactly what type of data we'll need to depict the scenario.arrow_forwardWhat is the significance of a Conceptual Data Model in requirement analysis, and how does it help in visualizing data relationships and entities within a system?arrow_forwardWhen it comes to conducting static analysis in-house, what are the benefits and drawbacks?arrow_forward
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