3. The following data flow diagram (DFD) is part of the flow models for therequirements of the ACE store management software. It describes theprocess of responding to a customer request for querying about an item.Derive the architecture design from this DFD, and draw the (brief)component diagrams that represent your architectural design.Official query Generate itemInitial item reportItem queryFormatted reportPreprocessqueryFormat itemCustomerPrinterdescriptiondescriptionQuery recordItem synopsisWarehouseItem info\Examination orderinitial report\corrected report/PrepareItem-checking requestCorrect reportFinalize taskTask memoStoreExamine itemStore StaffexaminationdescriptionerrorsmemoManagerorder

Answer The Diagrams are attached below:

3. The following data flow diagram (DFD) is part of the flow models for the requirements of the ACE store management software. It describes the process of responding to a customer request for querying about an item. Derive the architecture design from this DFD, and draw the (brief) component diagrams that represent your architectural design. Item query Official query Generate item initial item report Format item Formatted report Preprocess Customer Printer query description description Query record Item synopsis Warehouse Item info \Examination order initial report \corrected report/ Prepare Item-checking request Correct report Finalize task Task memo Examine item description Store Store Staff examination errors memo Manager order

3. The following data flow diagram (DFD) is part of the flow models for the requirements of the ACE store management software. It describes the process of responding to a customer request for querying about an item. Derive the architecture design from this DFD, and draw the (brief) component diagrams that represent your architectural design. Item query Official query Generate item initial item report Format item Formatted report Preprocess Customer Printer query description description Query record Item synopsis Warehouse Item info \Examination order initial report \corrected report/ Prepare Item-checking request Correct report Finalize task Task memo Examine item description Store Store Staff examination errors memo Manager order

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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Similar questions

What distinguishes a physically structured data flow diagram from its logical counterpart, the data flow diagram, and why is this distinction important? Why is it that Meta Data is the most important part of a data warehouse? What is it about Meta Data that makes it so? Why is it considered to be of such paramount importance?
What distinguishes a logical data flow diagram from a physically structured data flow diagram? What does Meta Data have that makes it such a crucial component of a data warehouse? What makes it so significant, exactly?
Explain the various layers of the Data Flow Diagram (DFDs).
Different from one another, flow charts may be either logical or physical. Due to its essential nature, MetaData is the most vital component of a data warehouse.
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.
What makes a physically organized data flow diagram different from its logical equivalent, the data flow diagram, and why is it vital to differentiate between the two? Why is it that the Meta Data component of a data warehouse is the most significant component? What specific characteristics of Meta Data give it this quality? What are the reasons for giving it such a high priority?
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Logical data flow diagrams and physical data flow diagrams are the two different types of flow charts. Due to its intrinsic qualities, metadata is the most important part of a data warehouse.
There are two distinct forms of flow charts: logical data flow diagrams and physical data flow diagrams. Due to its indispensable nature, MetaData is the most vital component of every data warehouse.