Create a physical data flow child diagram for the following situation: The local PC users group holds meetings once a month with informative speakers, door prizes, and sessions for special interest groups. A laptop computer is taken to the meetings, and is used to add the names of new members to the group. The diagram represents an online process and is the child of the process 1, ADD NEW MEMBERS. The following tasks are included: 1. Key the new member information. 2. Validate the information, errors are displayed on the screen. 3. When al, the information is valid, a confirmation screen is displayed. The operator visually confirms that the data are correct and either accepts the transaction or cancels it. 4. Accepted transactions add new members to the MEMBERSHIP MASTER file, which is stored on the laptop hard drive. 5. Accepted transactions are written to a MEMBERSHIP JOURNAL file, which is stored on a second hard drive.

Create a physical data flow child diagram for the following situation: The local PC users group holds meetings once a month with informative speakers, door prizes, and sessions for special interest groups. A laptop computer is taken to the meetings, and is used to add the names of new members to the group. The diagram represents an online process and is the child of the process 1, ADD NEW MEMBERS. The following tasks are included: 1. Key the new member information. 2. Validate the information, errors are displayed on the screen. 3. When al, the information is valid, a confirmation screen is displayed. The operator visually confirms that the data are correct and either accepts the transaction or cancels it. 4. Accepted transactions add new members to the MEMBERSHIP MASTER file, which is stored on the laptop hard drive. 5. Accepted transactions are written to a MEMBERSHIP JOURNAL file, which is stored on a second hard drive.

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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Question

Create a physical data flow child diagram for the following situation:
The local PC users group holds meetings once a month with informative
speakers, door prizes, and sessions for special interest groups. A laptop
computer is taken to the meetings, and is used to add the names of new
members to the group. The diagram represents an online process and is the
child of the process 1, ADD NEW MEMBERS. The following tasks are included:
1. Key the new member information.
2. Validate the information, errors are displayed on the screen.
3. When al, the information is valid, a confirmation screen is displayed.
The operator visually confirms that the data are correct and either
accepts the transaction or cancels it.
4. Accepted transactions add new members to the MEMBERSHIP MASTER
file, which is stored on the laptop hard drive.
5. Accepted transactions are written to a MEMBERSHIP JOURNAL file,
which is stored on a second hard drive.

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