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Why is it cheaper to identify and repair an issue early in the system development lifecycle than later?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Individual projects or applications within a system are linked to the company's strategic goals through system planning. The organization's business plan serves as the foundation for the systems plan, as it outlines the company's goals and strategies for achieving them.The earlier a problem is found and fixed, the less money it will cost to address it later on in the system development lifecycle.
It is essential to thoroughly complete each phase of the conventional system development process.
It is important to both describe and explain the major responsibilities associated with system development.
What considerations go into deciding which metrics will be used for software maintenance?
If I were to ask you: a) when do you think users should be taught on a new system? b)Which phase of the system life cycle is the most creative and difficult to work in? b) Which step of the SDLC life cycle has the lowest cost of correcting errors?
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During the course of the system development process, it will be important to identify and briefly explain a selection of the tools and methodologies that were used?
What heuristics could you apply to improve your system's design?
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