Scenario: You are required to create the Data Flow Diagram for a website for "Online motorcycles in Nizwa purchase system". This system will be used by customers who want to buy any bike models from Nizwa. Customers can search bike models using search bar option. Customers must register their detail and open an account on the website to make any purchase. Customers can choose to make online payment (via debit card) or pay cash on delivery. If customer chooses to make online payment, system will provide the Payment Receipt and Order ID. Website administrator can add/delete/update items on website.

Scenario: You are required to create the Data Flow Diagram for a website for "Online motorcycles in Nizwa purchase system". This system will be used by customers who want to buy any bike models from Nizwa. Customers can search bike models using search bar option. Customers must register their detail and open an account on the website to make any purchase. Customers can choose to make online payment (via debit card) or pay cash on delivery. If customer chooses to make online payment, system will provide the Payment Receipt and Order ID. Website administrator can add/delete/update items on website.

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

SQL

SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.

Queries

A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.

Question

Scenario: You are required to create the Data Flow Diagram for a website for "Online motorcycles in Nizwa purchase system". This system will be used by
customers who want to buy any bike models from Nizwa. Customers can search bike models using search bar option. Customers must register their detail and
open an account on the website to make any purchase. Customers can choose to make online payment (via debit card) or pay cash on delivery. If customer
chooses to make online payment, system will provide the Payment Receipt and Order ID. Website administrator can add/delete/update items on website.
Level-0: must include possible external entities, process and data flows.
A BI
!!

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