Discussion Thread: Data Modeling

CSIS 474

Discussion Assignment Instructions

There are 4 Discussions to be completed throughout this course. You are required to create a thread in response to the provided prompt. Each thread must be at least 300 words. You must also reply to 2 other classmates’ threads. Each reply must be at least 250 words. All assertions in your thread and replies must be supported by scholarly resources that consist of the Learn materials, good examples, and thoughtful analyses. There must also be appropriate incorporation of a Judeo-Christian worldview/analysis and biblical principles for questions where it is applicable. All sources must be cited in the current APA format. The thread will be due by 11:59 p.m. (ET) Thursday of the assigned Module: Week and the replies will be due by 11:59 p.m. (ET) Monday of the assigned Module: Week.

Discussion Thread: Data Modeling

The main objective of defining requirements in system development is understanding users’ needs, how the business processes are carried out, and how the system will be used to support those business processes. Model building is one of the best ways for system developers to understand the business processes, user requirements, customer requirements and integrate them. What is the difference between logical and physical models? Why is it essential to create an independent implementation model of a system?