A customer can place one or more orders, but an order belongs to only one customer. A customer is  described by its name, delivery address, and contact number. While an order is described by order  number, order status, and order date. Only one payment is made for an order. An order can be paid  for through one of two options. A payment is either cash or debit. A payment has an amount attribute.  Cash payment is described by cash tendered, while debit payment is described by number, type, and  expiry date 6.1 Use the scenario to draw a UML class diagram.

Q: supcity supstatus purchase price deliv_period SUPNR | 0..M PRODNR supname prod-po po-prod SUPPLIER…

A: Given ER diagram contains 3 entities and each entity contains some attributes, that are: Supplier…

Q: Assignment Week 1 Create and ER- Diagram Using the Entities / Tables below: Tables Classes…

A: From the limited information provided about the context of the problem the following entities and…

Q: Problem 32 Speedy Drop is a company thàt čárries letters and pa. mpany own fleet of small airplanes,…

A: ER diagram: It is a model used for high level Database design.Entity relationship model.

Q: The definition of a variable is required to contain, in addition to the variable's name, the…

A: A variable is a information storage ability used in indoctrination. linked with a figurative name…

Q: The ER Model shown below is based on the following business rules. A manager manages one department.…

A: Language: SQL

Q: A restaurant maintains a menu for the list of food and beverage items that it provides. Apart from…

A: Solution :

Q: ompany makes items. Each item has a name, ID and component y item contains many components. Each…

A: Description:   1- Yes, the user can use Lucidchart to draw the ERD.2- There are many platform user…

Q: Marketing person contains the values { total product sales, commission rates, person base salary}.…

A: The Answer is

Q: Schema: Part(PartNo, PartName, VehicleType, UnitPrice, SalesPrice) Service(ServiceNo, PartNo,…

A: CREATE OR replace FUNCTION getprofit (    p_part_number IN NUMBER) RETURN NUMBER IS    l_part_name…

Q: What does it imply to claim that two items have a "is a" relationship?

A: Inheritance is the process through which one class inherits the properties of another. A child…

Q: School system scenario Students come at the beginning of the school year to register in a school…

A:

Q: A course instructor will assign grades from (A, B+, B, C+, C, D+, D, E). What is the minimum number…

A: Total number of grades = 8 To Find : The minimum number of grades that must be assigned in order to…

Q: rite at least 10 requirements for a calculator. Make sure you use the word SHALL in each requirement…

A: here we have to write at least 10 requirements for a calculator.

Q: A corporation reimburses its employees in the managerial cadre and above for their mobile phone…

A: File implementation given in next step:

Q: Modify the following system sequence diagram to reflect the following: 1)The sales clerk can add…

A: System Sequence diagram is a diagram that highlight the time of sequence of messages. It shows a…

Q: Digital Wallet: the access control rule for the class Transaction and boundary use case for the…

A: Let's delve deeper into each aspect, starting with the access control rule for the Transaction…

Q: What does it mean when a relationship is well-structured?

A: NOTE  :-  Below i explain the answer in my own words by which you understand it well.

Q: Task 4: As a part of marketing strategy, the Marketing team continuously conducting an advertising…

A: Actually, database is a used to stores the data.

Q: Case 3: Create a sequence diagram based for Belle's Grocer Automated Checkout System. Belle's Grocer…

A: UML Sequence Diagrams are communication diagrams that describe how operations are processed. They…

Q: What is the degree of a relationship?

A: The number of entities associated with the relationship is known as the degree of the relationship.

Q: Write a SQL statement that will change the value of the Task description with ID 3 to “Add logo to…

A: We will use an update query to modify the required string.

Q: Q1: The following Component Diagram has some errors circle the error and draw the correct diagram:…

A:

Q: What exactly is a relationship?

A: Answer:

Q: Given the following relation that stores details about students'  activities:   StudentID…

A: here have to determine functional dependencies are consistent or not.

Q: Please explain the procedure for creating test cases using decision table-based testing (points)

A: Start: A software testing technique called decision table testing is used to look at how a system…

Q: How do variables and attributes differ in three paragraphs?

A: Variables are named containers used to store and manipulate data in programming,while attributes are…

Q: The following uependency diagram indicates that a patient can receive many prescriptions for one or…

A:

Q: What does it imply to claim that two items have a "is a" relationship?

A: Question: What does it imply to claim that two items have a "is a" relationship? Answer: A…

Q: A Company operates many factories. Each factory is located in a region. Each region can be “home” to…

A: Relationship between the entities Region, Factory and Employee : Crow's foot ERD diagram can be…

Q: When defining a variable, the 'type' is not the only thing to indicate. Each variable has its own…

A: When defining a variable, the type is indeed an essential aspect to consider. However, it is not the…

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.