Create and ERD based on the Crow's Foot Model, using the following requirements. Include Primary Keys, Foreign Keys, and Relationship types (weak/strong):  1. An INVOICE is written by a SALESREP. Each sales representative can write many invoices, but each invoice is written by a single sales representative.  2. The INVOICE is written for a single CUSTOMER. However, each customer can have many invoices. 3. An INVOICE can include many detail lines(INV_LINE), each of which describes one product bought by the customer. 4. The product information is stored in a PRODUCT entity.  5. The product's vendor information is found in a VENDOR entity.

Q: Reference: A --> B--> C   QUestion?  what is the defintion of this type of relationship and what…

A: 1) A transitive relationship is a type of relationship between entities or elements where the…

Q: Which of the following is a key part of conceptual design in an entity relationship model?…

A: An entity relationship diagram (ERD), also known as an entity relationship model, is a graphical…

Q: TRUE or FALSE - A super-entity can only have two sub-entities and no more.

A: A SUPER-ENTITY CAN HAVE MORE THAN TWO SUB-ENTITES

Q: Q1. ER Model . Create an ER Model for the following: A customer (eg. Tom) may (or may not) give…

A:

Q: Give an illustration of what a Key Attribute is.

A: An key attribute that is part of a key or is the whole key.

Q: Create a list of the attributes that you would want to see in an entity identification property.

A: The solution is given in the below step

Q: Create an ER model for a restaurant. The specifications are as follows: The customer has an id,…

A: in below we  make a E R  Diagram in which  we define all of that 1.Entity 2.arttribute 3.primary…

Q: Consider the following entity relationship diagram. Booking Employee Building • Booking ID > •…

A: Every booking is associated with exactly one employee. Answer: True   Every employee is associated…

Q: For the following business rules, a sample ERD is provided below. • A painter can paint may…

A: The issue is with the relationship between GALLERY and PAINTING in the ERD. The text describes a…

Q: To manage the materials of a factory, please give the E-R diagrams. Such entity sets are involved as…

A: The E-R diagram is given below:

Q: A ternary relationship is a relationship which includes Select one: O a. Two entities O b. Three…

A: In unary relationship, only one type of entity participate in that relationship.   In binary…

Q: Assignment: Problem #7 from Chapter 4 of the textbook. The case study is United Helpers. With the…

A: [ Note: We’ll answer the first three subparts of the question since the exact one wasn’t…

Q: a) Draw a use case diagram based on the case study given below. Your diagram should contain at least…

A: Actually, use case diagram represents the relationship between use cases and actors.

Q: Draw an ERD containing the Transaction and Item entities. When a transaction is made, the date…

A: Draw an ERD containing the Transaction and Item entities. When a transaction is made, the date…

Q: Which statement is associated with two seperate entities. a) Attribute b) Entity Type c) Reflective…

A: The question is asking to identify the term that is associated with two separate entities in the…

Q: Please draw an Entity-Relationship diagram for the given below MOVIE database.  The data…

A: Entity-Relationship Diagram : Entity Relationship Diagram, also known as ERD, ER Diagram or ER…

Q: What is a weak entity? Give Example.

A: the answer is given below:-

Q: Create an ERD based on the Crow’s Foot notation with Microsoft Visio, using the following business…

A: Entity Relationship (ER) Diagram: The following figure illustrates the ER Diagram for given…

Q: entities: Residential students which fields like student id, Student name, exam papers Transfer…

A: Given entities: Residential students which fields like student id, Student name, exam papersTransfer…

Q: It is possible to have both a primary key and a candidate key for the same attribute.

A: Relational model of databases, a primary key is a specific choice of a minimal set of attributes…

Q: Let's break down the information into entities, attributes, and relationships: Entities: 1. Ship -…

A: In this question we have to design a ER digram for the given shipement related operation.Let's…

Q: urs is a weak entity.  What would you do to transform it into a strong entity?  Would it be…

A: the answers are given below :

Q: What concept is defined by the following definition?  ”A set of entities of the same type that…

A: Please find the answer below :

Q: 1)DRAW : Matrix diagram of this entities project will be about a student attendance. Entities:…

A: Matrix diagramThe associations between two or more data sets can be displayed and analyzed using a…

Q: Create a full-blown ERD based on the Crow's Foot notation, using the following requirements: 1) An…

A: A full-blown Entity-Relationship Diagram (ERD) based on the Crow's Foot notation is a visual…

Q: Create an entity-relationship diagram for the three entities showing the correct cardinalities

A: An entity-relationship diagram for the three entities showing the correct cardinalities is as…

Q: A rental car agency classifies the vehicles it rents into four categories: compact, mid-size,…

A: Actually, database is a used to stores the data. ERD- Entity Relationship Diagram.

Q: 3.ProjectID ,  EmployeeName ➡  EmployeeSalary  4.EmployeeName ➡  EmployeeSalary  5.EmployeeSalary…

A: Given the following relation that stores details of  employees and their projects: If  the…

Q: Create an ERD for a car dealership and also show entity names, primary keys, attributes for each…

A: Create an ERD for a car dealership and also show entity names, primary keys, attributes for each…

Fundamentals of Managing Data

Data management is creating, organizing, storing and managing the data collected and created by any organization.Effective data management is a crucial part of today's world. Data management provides analytical information on the vast amount of data collected from business applications daily, which helps make critical business decisions and plan and bring out the best strategies.