Use C# to create Order class as follows: a. Data members: oid, orderDate, promised Date, shipDate, deliveryDate, amount, status. b. Behavioral members: isOnTime() check if the delvieryDate is ahead of promised Date, timeToDelivery() - get number of days from order to delivery, getLate Fees() - company pays 1% fee to the customer for every day of delay in delivery according to the contract.
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- True or False : ___ Multiple Inheritance happens when a class has more than one sub-class. This problem can be observed in Programming Languages as well. ___ Given two relations named A and B, if we q-JOIN A and B, the maximum number of attributes in the result relation could be (the number of attributes of A) times(*) the number of attributes of B). ____ * in an SQL SELECT statement means “all the tuples”. ____ In relational algebra, Cartesian Product (X) can be implemented using the q-JOIN operator. Cartesian Product ISA q-JOIN where q-condition always evaluates to true. ____ SQL is based on Predicate Calculus. A query in SQL always specifies what should be included in the query result.The "SUPERVISES" Relationship is considered as: EMPLOYEE SUPERVISES O 1. Ternary Relationship O 2. Identifying Relationship O 3. Recursive Relationship O 4. Binary RelationshipA rental company has the following procedure: A customer reserves a car, picks it up and the returns it after a certain period. At the time of pickup, the customer has the option to buy or waive collision insurance on the car. When the car is returned; the customer receives a bill and pays the specified amount. Corporate customers are not billed directly, rather the companies they work for are boiled and payments are made some time later. Required Prepare a use case diagram for capturing the requirements of the system to be developed. Extend the use case diagram to cater for the corporate customers.
- Course: Database Systems: Design and Application Web Shop scenario: A supplier (Supp-#) processes many purchase orders (PO-#) and sells a number of products (Prod-#). A product is sold by only one supplier. Each of the purchase orders that a supplier may process includes several products. The relationship between order and product is defined as "Line Item". A customer (Cust-#) may place one or more purchase orders. A purchase order may be placed by only one customer. Assignment requirements: Answer the following questions using above scenario: Identify the entities and attributes that required to draw the ER diagram. Integrate the entities with appropriate relationship and design the unified ER model.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 ShirtsCustomer ={idC(PK), surname} Contract ={idC(PK), customer, consultant, insurance_type, date} Consultant means: id of some Staff member Staff={idPerson(PK), surname,dob, boss, email} Dob means: date of birth, boss: is id of another Staff member supervisor Insurance_Type={idT(pk) , Tname , price , length } Length = number of months it is valid (from the date when it was bought ) Find consultants born after some contract was already signed?
- In an annual charter day celebration of a university, one of the highlights of its celebration is having a concert for a cause in which national personalities were invited. The student body assigned for the conduct of the event, sold tickets for their fund raising for a cause. Tickets are sold according to the following prices. The green ticket is sold at $20, orange ticket at $30 and white ticket at $40. All students of the university are encouraged to support the said event, however the venue could only accommodate 1500 people. Write a Nassi-Shneiderman diagram that determines the total amount of money that will be generated if all tickets are all sold out and likewise print the total money collected.In an annual charter day celebration of a university, one of the highlights of its celebration is having a concert for a cause in which national personalities were invited. The student body assigned for the conduct of the event, sold tickets for their fund raising for a cause. Tickets are sold according to the following prices. The green ticket is sold at $20, orange ticket at $30 and white ticket at $40. All students of the university are encouraged to support the said event, however the venue could only accommodate 1500 people. Write an algorithm in pseudocode, a flowchart and NS diagrams that determines the total amount of money that will be generated if all tickets are all sold out and likewise print the total money collected.An insurance company needs to store their salespeople’s information who are selling their insurance policies. They already have a database with multiple tables, one of the tables (Salesperson) stores information about each salesperson along with the bonus percent they receive, based on the city where the insurance is sold. The table has the following fields: Salesperson(spID, spName, spBirthDate,spCitySelling, bonusPercent) spID: Unique identification number of the salesperson. spName: Full name of the salesperson. spBirthDate: Birthdate of the salesperson. spCitySelling: The city in which the salesperson is selling the insurance. bonusPercent: The bonus percent received by the salesperson based on the city in which he/she sells the insurance. Each salesperson can sell the insurance in just one city. However, for a city, there can be more than one salesperson appointed. Also, the bonus percent is fixed for each city. For example, all of the salespeople who sells insurance in…
- //Need typed version please You are working with a database that stores information about suppliers, parts and projects. The Supply relation records instances of a Supplier supplying a Part for a Project. The schema for the database used in this question is as follows: ( primary keys are shown underlined, foreign keys in bold). SUPPLIER (SNo, SupplierName, City) PART (PNo, PartName, Weight) PROJECT (JobNo, JobName, StartYear, Country) SUPPLY (SNo, PNo, JobNo, Quantity) Provide relational algebra (NOT SQL) queries to find the following information. NOTE: You can use the symbols s, P, etc or the words ‘PROJECT’, ‘RESTRICT’ etc . do not need to try to make efficient queries – just correct ones. Where you use a join, always show the join condition. List the name of any part that was not used on a project that commenced in 2020. List the name of any part that has been supplied to all projects that commenced in 2020.In order to further illustrate how calls and returns work into the overall scheme, kindly offer specific instances.in a shop ,there are 10 employee and 20 kinds of goods,goods id between 1-20 EMPLOYEE id first name last name gender 10001, 'Tom', 'Brown', 'F'10002, 'Elizabeth', 'Tremblay', 'F'10003, 'Gladys', 'Julie', 'F10004, 'John', 'Taylor', 'M10005, 'Amelia', 'Smith'10006, 'Logan', 'Katherine'10007, 'Leo', 'Brown'10007, 'Lem', 'Thompson'10009, 'Tom' 'Smith'10010, 'Emma', 'Campbell' ------------ and I want to add a name library in it ,like this how could i create a HTML file ,with will randomly create customers with these employee . there is a start button on the page . press "start "bottom ,and it will It will randomly match 10 items, customers, and goods, display goods id ,customername and gender ,employer name , id and gender . how to do such a page ?