The figure below shows the DFD model for a customer purchasing an electronic article from an online repository as received from a stakeholder. The articleID is a string that uniquely identifies an article. The payment amount and customer name are the data details that are included on the receipt that is emailed to the customer. The payment completer status is a flag that indicates if the payment has been received in full. Your task as the business analyst is to identify and comment on the issues (if any) within the DFD. Be sure to state any necessary assumptions. Receipt data Customer Searches catalog for articleID "Article" Accept Payment 0 00 Payment amount Customer Name Generate Receipt. Payment complete status Send Customer Atricle Database Thank You message Article Payment complete status Email Article to Customer

The figure below shows the DFD model for a customer purchasing an electronic article from an online repository as received from a stakeholder. The articleID is a string that uniquely identifies an article. The payment amount and customer name are the data details that are included on the receipt that is emailed to the customer. The payment completer status is a flag that indicates if the payment has been received in full. Your task as the business analyst is to identify and comment on the issues (if any) within the DFD. Be sure to state any necessary assumptions. Receipt data Customer Searches catalog for articleID "Article" Accept Payment 0 00 Payment amount Customer Name Generate Receipt. Payment complete status Send Customer Atricle Database Thank You message Article Payment complete status Email Article to Customer

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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When defining a variable, the 'type' of the variable is not the only element that must be specified. To restate, every variable is associated with its own set of properties and data types. Explain in greater detail how this concept allows us to describe the properties of any variable.
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When defining a variable, the 'type' is not the only thing to indicate. Each variable has its own characteristics and data types. describe how this approach lets us understand any variable's properties?
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Develop a Use Case Diagram for the below description: "The online committee setup application allows section head to create a committee by entering committee name and objectives and selecting members from a drop-down menu. The committee chairperson will use the application to call for a committee meeting by deciding on start/ end date, start/end time and list of attendants. Once the meeting is held the committee chairperson will upload the meeting minutes to the application. Meeting attendants can view the minutes of the meeting and approve its content or send a request to amend the minutes as an email. The meeting attendants can use the application to view other attendants' profiles including logo, personal image and then send them an email, as well as respond to emails sent to them. The committee chairperson can also use the same functionalities of attendants". Instructions and Notes: - Use Online Visual Paradigm to produce your use case diagram. Visual Paradigm Online…
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Please read the description carefully and look at the EER diagram that's provided below to answer this part.