Essence of Systems Analysis and Design by Priti Srinivas Sajja

Author:Priti Srinivas Sajja
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

3.6.11 What Are the Uses of Data Dictionary?

Following are the major uses of data dictionary:Manages details

Documents information about systems components

Facilitates analysis

Serves as a platform for testing and cross verification by locating errors and omissions

Communicates with the developers and users

3.6.12 Examples of FDD and DFD

3.6.12.1 Library Management System (Figs. 3.7, 3.8, 3.9 and 3.10)

Fig. 3.7FDD for library management system

Fig. 3.8Context-level DFD for library management system

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