Customers Id Username D Firstname Sumame Email PostalAddress Orders ld Customerld Created Status + Orderitems Orderid StyleRequested SizeRequested Stockid Shirts Stockld Style Size StoreLocation Count Which of the following statements are correct for this entity rel ionship diagram? a. There is a many to many relationship between Orderltems and Orders b. There is a many to one relationship between Customers and Orders c. Orderitems is a bridge table Od. There is a many to one relationship between Orderitems and Shirts □e. Orders is a bridge table Of. There is a many to many relationship between Orderltems and Shirts

Customers Id Username D Firstname Sumame Email PostalAddress Orders ld Customerld Created Status + Orderitems Orderid StyleRequested SizeRequested Stockid Shirts Stockld Style Size StoreLocation Count Which of the following statements are correct for this entity rel ionship diagram? a. There is a many to many relationship between Orderltems and Orders b. There is a many to one relationship between Customers and Orders c. Orderitems is a bridge table Od. There is a many to one relationship between Orderitems and Shirts □e. Orders is a bridge table Of. There is a many to many relationship between Orderltems and Shirts

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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Below is “Book Order,” the only table in library management system’s database. The design of “Book Order” as you may tell is in the zero normal formal form, you as the database designer want to convert the design into the third normal form. Order ID Special order date Customer ID Customer last name Customer First name Customer birth date Book ISBN1 Book Title 1 Book Author 1 Book publication year 1 Book ISBN2 Book Title 2 Book Author 2 Book publication year 2 Store ID Store name Store location Special order status Book Order(Order ID, Special order date, Customer ID, Customer last name, Customer First name, Customer birth date, Book ISBN1, Book Title 1, Book Author 1, Book publication year 1, Book ISBN2, Book Title 2, Book Author 2, Book publication year 2, Store ID, Store name, Store location, Special order status)
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 !!
Q7: An ERD about a company has been mapped to the following Relations. Please choose the correct statement that describes the company Employee(ID,E.Name, Salary) Project(Name, Location, ID) Project Location(Name, Location) a. A company has several projects and employees. An employee can work on one or more projects. A project can be located at several locations b. A company has several projects and employees. An employee can work on a single project only and each project has several employees. A project can be located at several locations c. A company has several projects and employees. An employee can work on one or more projects. A project is located at a single location d. A company has several projects and employees. An employee can work on one project only. A project can be located at several locations Employee EID 001 002 003 004 005 006 Name Ahmad Ali Sameh Salem Huda Ali Department group by Name order by EID; a. TWO columns and FOUR records b. TWO columns and ONE record c. TWO…
Q2: Draw an Activity Diagram to show the process of requesting to book a room in hotel for local and international visitors. The visitor determines the Check-in date, check out date, and the type of room. The system will check for availability rooms. If there is available room, the hotel system charge customer pre-paid fee to reserve the room. After that, the system send confirmation message to the customer shows the details information of reserved room.
EXERCISE 1 R PROGRAMMING Use the dataset below for this assignment.1. diamonds Dataset (A dataset containing the prices and other attributes of almost 54,000 diamonds.)Use the given dataset (diamonds) to create the basic and interactive dashboard as shown in the image attached. Figure 1.0 is merely an example; you may apply and customize the interface outlook, as well as modify the code, as long as it fits the best criteria to show the diamonds dataset analysis. a. In your dashboard, you should display the following information:1. Display the dataset header and print the first 5 rows.2. Display a brief explanation of the diamonds dataset. Sample dataset: mobility_data.csv -> https://www.google.com/covid19/mobility/
Given the following relation that stores details about students' activities: StudentID StudentName Activity ActivityFee AmountPaid 100 Jones Golf 65.00 65.00 100 Jones Skiing 200.00 0.00 200 Davis Skiing 200.00 0.00 200 Davis Swimming 50.00 50.00 300 Garrett Skiing 200.00 100.00 300 Garrett Swimming 50.00 50.00 400 Jones Golf 65.00 65.00 400 Jones Swimming 50.00 50.00 If the functional dependencies are consistent with the above relation, put TRUE. If they are not, put FALSE. StudentID à StudentName StudentID , StudentName à Activity Activity à ActivityFee Activity à StudentID StudentID à Activity StudentID à AmountPaid
Make the functions below according to the attached class diagram and GUI program mockup. No The function to be made 1 Create Transaction Order_ID = 1 Order_Date = 11-2-2021 Customer_ID = 2 Customer_RefNo = 001 / I / S / 2021 When the TextField 'txtCustomerID' is filled and we click the 'View' Button, then the TextField 'txtViewCustomerName' will display the 'Customer_Name' field from the Customer's Table according to the input Customer_ID. If the data is not found, a notification will appear “Customer not registered”. 2 Fill in the List Combo Box Product_ID by retrieving data from the Product Fied Table Product_ID 3 If the button ‘Tambah Item’ is clicked, then data from Product_ID, txtProduct_Name, txtQuantity, txtPrice will be saved to the 'Order Detail' Tabke (according to the mockup), then also enter the Sub Total field in the 'Order Detail' table with the calculation of txtQuantity * txtPrice. 4 When the ‘Hapus’ button is clicked, data from…
Plot point please.
An Art Museum needs to keep track of its artwork and exhibitions. The museum has a collection of artwork. Each piece of art has a unique id [ArtID], an artist, year and title. Artwork is categorized by type. There are two types, paintings and sculptures. Paintings have a paintType and style. Sculptures have a material, height and weight. Artwork is frequently shown in exhibitions. Each exhibition has a unique name, startDate, endDate. A listing of the artwork displayed at an exhibition is also retained. Below is an E-R diagram for a database to help the Art Museum. Provide appropriate names for entities E1, E2, E3, E4 identifiers 11, 12, 13, 14 missing attributes and relationship cardinality RC1 and relationship type RT1. Start_date End_date E1 E1 11 RC1 PaintType Style E3 13 A1 Title Year A/ A A/ A/ A/ A/ A/ A/ A A/ A/ E2 12 A/ E2 E3 E4 11 12 13 14 A1 A2 RC1 RT1 RT1 A2 Height Weight E4 14 Activate Go to Settin
Write a stored procedure named updateUnitsOnOrder(). The updateUnitsOnOrder ()procedure should update the UnitsOnOrder field of those products that are discontinued. It should set the UnitsOnOrder field to 99 for those discontinued products. Hint: There is no need to use cursor processing for this stored procedure.
3- Write the business rules that are reflected in the ERD shown below (Note that the ERD reflects some simplifying assumptions. For example, each book is written by only one author. Also, remember that the ERD is always read from the "1" to the "M" side, regardless of the orientation of the ERD components.) PUBLISHER BOOK publishes submits wrtes CONTRACT AUTHOR signs %23
Task 1:Create a database Entity and Relationship Diagram (ERD) for the following application (Submitted An image of the Diagram By using Any Application:Application: The Application idea: It is a mobile application called (Khair) to help people. This assistance is moral, material. This assistance is also provided by good people in our community. Example to understand the Application idea more: For example, a person urgently needs a medical chair or bed and does not have the ability to purchase what he needs. The medical chair or bed is requested through the application, and whoever has what he requests initiates the request through the application’s messages and determines the meeting place. Application models (page): Login included: login registration login included: user name password New registration included: name E-mail Password phone number date National Identification Number Home page included: Request - applicant name - address - send message Messages list form included: list…