一.   Draw the E/R diagram for following database Let us design an employee database, including information about employee and department. Information about entity emp includes their empno, ename, job and salary. Entity dept has deptno, dname and location. Each employee can work only for one department and each department can hire many employees.

Q: Consider the following relations for a database that keeps track of student enrollment in courses…

A: A relational database is a type of database that keep data and access points that are related to…

Q: Design a Relational Database by Mapping the following Entity-Relationship Diagram (ERD) into…

A:

Q: The crow's foot in a diagram a.) is only used to show N:M relationships. b.) shows the relationship…

A: Crow's foot Diagram contains crow foot notation in which the cardinality and modality of the…

Q: Create an airline database. Customers and their bookings must be kept in the database, as well as…

A: Answer

Q: Consider the following Scenario. Design a database for an airline. The database must keep track of…

A: The ask is to design a database for an airline, keeping track of customers and their reservations,…

Q: Extract and write down the DB Schema for the following E-R Diagram. You need to write the name,…

A: Terminology used in this E-R diagram:

Q: a representation of the data in terms of entities , attributes and relationships between entities .…

A: It is defined as a systematic collection of data. They support electronic storage and manipulation…

Q: 2. Draw an ER diagram for FOOTBALL TOURNAMENT DATABASE that captures given below requirements.…

A: Given: 2. Draw an ER diagram for FOOTBALL TOURNAMENT DATABASE that captures given below…

Q: ER-diagrams are high-level design of the Database. The given ER-diagram describes the Dentist…

A: Weak entities are represented with double rectangular box in the ER Diagram      office, supplier,…

Q: Draw the ER-Diagram for the following database schema. Specify the types of relationships in detail…

A: Given, Customers {Customer_ID, C_Name} Employees {Employee_ID, E_Name} Orders        { Order_No,…

Q: Draw the ER-Diagram for the following database schema. Specify the types of relationships in details…

A: Following is the diagram :

Q: Figure 2 shows an ER schema for a database that may be used to keep track of Pizza ordering system.…

A: Answer in step2 Note--since in E-R diagram cannot show foreign key so we are giving possible foreign…

Q: Consider a database that includes the entity sets student, course, and sectionfrom the university…

A: Entities and attributes: Student (Student_id, name, Program). Course (Course_id, Course_name,…

Q: Fix the following ER diagram of an Online Anime Store by including the description of the entities,…

A: The answer for the given question is as follows.

Q: Draw an ER diagram for the given scenario; Suppose that you are designing a schema to record…

A: ER diagram: It depicts various relations and their association in relational databases. It also…

Q: Analysis of relational schemas and normalization Consider the following conceptual schema of a…

A: A constraint that establishes the relationship between two sets of attributes in which one set may…

Q: Design ER diagram to model the online bookstore’s database, in which there are four entities, namely…

A: Design ER diagram to model the online bookstore’s database, in which there are four entities, namely…

Q: Consider a database system for a Wholesale Management System. The data requirements are summarized…

A: ER Diagram: ER diagram consists of entities with their corresponding attributes and relationships…

Q: Write the proper sequence of activities for the design of a video rental database. (The initial ERD…

A: Given: Write the proper sequence of activities for the design of a video rental database. (The…

Q: Design a database for an airline-system. The database must keep track of customers and their…

A: Create a flight database. The website should keep track of customers and their bookings, flights and…

Q: Q5) Consider a database used to record of persons and each person has name, E-mail, phone numbers,…

A: Entity we have here are Teacher School School can have one or more teacher while a teacher can be…

Q: esign an E-R Diagram for the following scenario. A relational database is to be designed for a…

A:

Q: Draw an ER diagram for the airport database. Be sure to indicate the various attributes of each…

A: ER : ER Diagram stands for Entity Relationship Diagram, also known as ERD is a diagram that displays…

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A: ER diagram has been attached below.

Q: Consider a database that includes the entity sets student, course, and section from the university…

A: The database is the collection of data and information in the organization’s school or college. The…

Q: Subject: ER - Diagram to Relational Model Construct an E-R diagram for a local grocery store whose…

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

Q: Draw a DataBase Model of your choice then explain how this model relate to every entities

A: Given: Using the figure below. Draw a DataBase Model of your choice then explain how this model…

Q: sign an Entity-Relationship diagram for the below environment. determine 1-Total participation.…

A: total participation is shown between orders relation and order entity  partial participation is…

Q: 5) Consider a database used to record of persons and each person has name, E-mail, one numbers, and…

A: The entity is Teacher  School School can have one or more teacher will a teacher will be teaching in…

Q: Consider the E-R diagram for a university database as shown in Figure 1. What is NOT true about…

A: Explanation: From the E-R diagram, one can identify that instructor and student are related to each…

Q: reate an ER diagram that correctly describes the database for exams at Campus in Bäcksvängen in…

A: I attached an ER diagram of above whole scenario please have a look once.

Q: the the number name the number the birth the Date name name number Phone section Works N the…

A: In this question, we have 4 entities that are Section, the employee, son, and project. Each entity…

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A: Following is the ER diagram that models the designers and other entities and also the relationship…

Q: Q2/ Design a schema diagram for the following Bank database: branch(branch name, branch_city,…

A: A Schema can be explained as a structure or the organisation chart of the database in the computer…

Q: 02: Construct an E-R or UML diagram for the following SALES COMPANY database which has network of…

A: ER diagram Entities: Customer(cusNo,cusname,SPNO,HQcity) Employee(Eno,Custno,Empname,title)…

Q: Consider a database used to record the marks that students get in different exams ofdifferent course…

A: According to question :   Considered the following attributes to draw the ER diagram: The entities…

Q: must have a member ID, name and contact number, can be enrolled in one or more gym session. A gym…

A: A well-structured database starts from an effective Entity Relationship Diagram (ERD). For this part…

Q: 2: Construct an E-R or UML diagram for the following SALES COMPANY database which has network of

A: Actually, E-R is Entity Relation ship diagram

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A: Functional dependency is the relationship between properties. That is when one property defines…

Q: Consider the following relations for a database that keeps track of student enrollment in courses…

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

Q: Consider a database that includes the entity sets student, course, and sectionfrom the university…

A: Below is the required E-R Diagram: - Explanation: - The ternary relationship is a type of…

Q: Translate the following ER Diagram into relational model. Show different relations that will result…

A: Please find below the relational model for the ER diagram mentioned above: Newspaper (newsPaperID…

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A: Entity Relationship Diagram : An entity relationship diagram (ERD), also known as an entity…

Q: Q1/Consider a database used to record persons and each person has name, age, phone number, and…

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Q: Your task for this assignment is to complete a database design for the given case studies. Model the…

A: The ERD has7 entities. The entity are: employees, shows , performers, admin staff , skill , venue,…

Q: Draw an ER Diagram of the Library Database.   Draw an EER Diagram of the Library Database.   Include…

A:

Q: Step 1: Data Modeling - Create an ER diagram: Draw an ER diagram that captures the preceding…

A: Here is the answer:-

Q: Consider the following entity relationship diagram (ERD). where two entities E1 and E2 have a…

A: You have asked multiple questions so we will answer the first one for you. If you want any other…

Q: Question 5: (Question that needs to be done) Assuming the current semester is semester 1 2020:…

A: SQL query  to write : To retrieve the list subjects and their names that each student is enrolled in…

Q: Consider the ER diagram for a Software Testing database below using UML class diagram symbols. Map…

A: The Answer is

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.