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- Customers ld Username Firstname Sumame Email PostalAddress Orders Id Customorld 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 Orderitems and Orders Ob. There is a many to one relationship between Customers and Orders c. Orderltems 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 ShirtsAn 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 SettinQuestion 8 The ERD below is the initial design to track events and the dates on which they are scheduled. Using the ERD, what can you determine about the statement "There were 5 events on July 4, 2012." EVENT DATE Has Scheduled on O This statement could NOT be true based on the ERD. O This statement could be true based on the ERD.
- 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…Business Rules: Each musician at NewTalent should have a name, address, and phone number on the system. The Instruments used in the songs have a unique name, musical genre (i.e. rock, pop, hip hop), and type (i.e. string, piano, guitar). Every album recorded under the NewTalent label has a title, copyright date, format, and an album identifier. Each song recorded has a title and an author. Musicians can play several instruments, and an instrument can be played by multiple musicians. Every album contains several songs, but a song can only appear on one album. Songs are performed by one or more musicians, and a musician can perform numerous songs. Each album has one musician acting as its producer, although a musician can produce multiple albums. Create an ERD for the above scenario that describes its business rules. Use Crow's Foot notations and make sure to include all of the following: All entities correctly identified with Primary key and any foreign key attributes.…The International Conference on Mathematical Sciences and Technology, MathTech, is a biennial conference organised by the School of Mathematical Sciences, USM. This event is open to all national and international experts, practitioners, researchers, and academics to gather and share their knowledge. The details of fees for participation in the conference are shown in the following table. Category Local (RM) International (USD) Presenter 990 260 Observer 150 Note: 1 USD = RM4.20 Assignment Requirement Part 1: Create Invoice Construct a C++ program to do the following tasks: a. Enter the participant's name, category, nationality, accommodation (Yes/No). b. If the answer for the question on accommodation is Yes, the program will ask for the number of days. Then the program will call function calcAccommodation () to calculate the accommodation charges. calcAccommodation() receives accommodation (Yes/No), number of days and participation type (local/international) as parameters and return…
- build a Gantt Chart for the project plan about. Gym/Fitness Database . example of chart is belowScenario: 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 !!calculate_new_balance Given a starting balance (a number), and a list of transaction tuples, calculate the final balance for an account. Transaction tuples are of the shape ("description", amount, "withdrawal") , or ("description", amount, "deposit"). The last entry in the tuple will be either "withdrawal" or "deposit". Every withdrawal decreases the balance of the account by the specified amount, and every deposit increases the balance. The return value is the new account balance, as a number. (which could be negative) Sample calls should look like: >>> calculate_new_balance(100, [("payday", 20, "deposit"), ("new shoes", 50, "withdrawal"), ("illicit winnings", 200, "deposit")])270>>> calculate_new_balance(100, [])100
- METHOD TO DO THE HOMEWORK PROBLEM: *Create the SDLC model of Shopee. *Choose 2 models below that is best to use in the application.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.The International Conference on Mathematical Sciences and Technology, Math Tech, is a biennial conference organised by the School of Mathematical Sciences, USM. This event is open to all national and international experts, practitioners, researchers, and academics to gather and share their knowledge. The details of fees for participation in the conference are shown in the following table. Category Local (RM) International (USD) Presenter 990 260 Observer 600 150 Note: 1 USD = RM4.20 Assignment Requirement Part 1: Create Invoice Construct a C++ program to do the following tasks: a. Enter the participant's name, category, nationality, accommodation (Yes/No). b. If the answer for the question on accommodation is Yes, the program will ask for the number of days. Then the program will call function calcAccommodation() to calculate the accommodation charges. calcAccommodation() receives accommodation (Yes/No), number of days and participation type (local/international) as parameters and…