q24 :During requirements structuringan enterprise-wide data model with very broad categories of data and little detail is prepared athe conceptual E-R data model is refined before it is translated into a logical format from which b Odatabase definition and physical database design are donean E-R model represents conceptual data requirements for a particular systemcoa specific E-R model is built to help explain the scope of a particular systems analysis and d Odesign effort

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Computer Science

q24

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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Concept explainers

Types Of Protocols

A network protocol is a collection of rules that governs the exchange of data between devices connected to the same network. In other words, network protocols are rules that specify how devices communicate or transfer data over a network. The sender and receiver systems must obey the standards to facilitate communication between them.

Question

q24

:During requirements structuring
an enterprise-wide data model with very broad categories of data and little detail is prepared a
the conceptual E-R data model is refined before it is translated into a logical format from which b O
database definition and physical database design are done
an E-R model represents conceptual data requirements for a particular systemco
a specific E-R model is built to help explain the scope of a particular systems analysis and d O
design effort

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