Consider the DFD in Figure below List three errors (rule violations) on this DFD E1DF1E2DF5DS1-DF2DF4DF61.0P2DF32.0P1FIGURE 6-22 FIGURE 6-23Diagram with levels 0,1, and 2.Level 0Level 1Level 2E1E1P1.2P1.3DF1DF1-DF9DF8-P1DF3DS1P1.1DF7P1.3P1.4.1DF10DF2DF3-DF7-DF8--DF11P2P3DS2DF6P1.2DF9P1.4DF22P1.4.2DF12P1.4.3-DF6-DF4DF5-DF2-DS2E2P2

6.22:The DFD model is comprised of two processes (P1 and P2) and two entities (E1 and E2).

Answered: Consider the DFD in Figure below List…

Engineering

Computer Science

Consider the DFD in Figure below List three errors (rule violations) on this DFD

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

Data flow diagram

A visual description of data flow in the system is called a data flow diagram(DFD). DFD is capable of explaining incoming data flow, outgoing data flow, and data storage. The data flow diagram describes how data flows through the system. DFD is developed using standardized notations and symbols. The data flow diagram represents the boundaries and scope of the whole system. Data flow graphs and bubble charts are the other names of DFD.

Question

Consider the DFD in Figure below List three errors (rule violations) on this DFD

E1
DF1
E2
DF5
DS1
-DF2
DF4
DF6
1.0
P2
DF3
2.0
P1
FIGURE 6-22

FIGURE 6-23
Diagram with levels 0,
1, and 2.
Level 0
Level 1
Level 2
E1
E1
P1.2
P1.3
DF1
DF1-
DF9
DF8-
P1
DF3
DS1
P1.1
DF7
P1.3
P1.4.1
DF10
DF2
DF3-
DF7
-DF8-
-DF11
P2
P3
DS2
DF6
P1.2
DF9
P1.4
DF2
2
P1.4.2
DF12
P1.4.3
-DF6
-DF4
DF5
-DF2-
DS2
E2
P2

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