Consider the following schema: employee (person_name, street, city) works (person_name, company_name, sala company (company_name, city)

Q: Create the abstract use case for business manager of Amazon to find the top 10 popular items in…

A: Answer is given below .

Q: Question 3. FirstName LastName TreeName Category GID Name M 1 Price TREE TAKECARE GARDENER…

A: For the given ER diagram we have to find out number of possible schemas (tables). Based on type of…

Q: SUPLIER CUSTOMERS id buy # id *name * tax number *product o email name sell * address Find the…

A: The ERD has structural mistakes in it's entity, attributes and relationship representation and…

Q: Design: An (ER) and (relational Diagram) by showing as I am an owner of a car rental company…

A: Answer :

Q: Q2- What is a composite entity, and when is it used?

A: Entity – Entities are actual world items that structure the essential locks around which the entire…

Q: What are ASSOciAtive entitieS?

A: Given: Associative entity

Q: STION 9 is used to represent the M: N relationships between two or more entities. A Mandatory B.…

A: M:N relationship: Relationships helps to connect the  related information between the  tables. They…

Q: Entity-Relationship Diagram (ERD) is one of the data modeling tools that provides a software…

A:

Q: the cardinality of the relationship between entities restaurant and kitchen

A: the cardinality of the relationship between entities restaurant and kitchen

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

A: Below is the diagram representation of ER model.

Q: Transform the following Entity Relationship Model into Relational Schema. TID DeptiD DName TName…

A: The relational model is nothing but a group of tables or relations that create for your database.…

Q: What is the definition of an Entity type?

A: Ans.) Entity type:- A person, organization, object type, or concept about which information is…

Q: Based on the class diagram given below answer the following questions. Course |teaches Professor…

A: The answer is

Q: Transform the following Entity Relationship Model into Relational Schema. DeptiD EmpiD DName Name…

A: The term "schema" refers to the organization of data as a blueprint of how the database is…

Q: Question : Map the following ERD to relational schema (show primary and Foreign keys) CPR Supervise…

A:

Q: Create an Entity/Relationship (ER) diagram to model the following scenario: An online magazine…

A: Create an Entity/Relationship (ER) diagram to model the following scenario: An online magazine…

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

A: Relational Model is used for modelling data in the form of relations or tables. It represents how…

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…

Q: Q2) Define the Entity Relationship (ER) Technique which is used in database design. Then use ER to…

A: Given: Explain Entity–relationship model (ER model).

Q: b) Draw the EER specialization diagram for the schema below Students (SID, Name, Address, Age)…

A: Enhanced Entity Relationship(EER) Model   Specialization Specialization is a process that defines a…

Q: Which of the following is example of Object based logical model ? a. Entity Relationship Model b.…

A: Task :- Choose the correct option for given question.

Q: You are given as an input, the following Entity-Relationship diagram, that is meant to be one…

A: Here is the data model.

Q: Consider the following ERD. Draw the Logical schema for the ERD. Underline the primary keys. (IName…

A: The Answer is

Q: Based on the class diagram given below answer the following questions. Course |teaches Professor…

A: According to the information given:- We have to define the primary and foreign key.

Q: DATABASE :  Please draw an EERD based on following description.  Suppose that you are asked to…

A: Here is the answer:-

Q: What kinds of data would you store in an entity subtype?

A: Entity Subtype Entity subtypes are entered into the ER model in order for decreasing the total…

Q: The three main constructs of the entity-relationship modeling notation include each of the following…

A: The three main construct of ER modeling are attributes,entity and relationship..with all the three…

Q: After mapping the following ER diagram to relational schema, attribute #_employees: * . supplier…

A: In the given ER diagram, #_employees is an attribute for Branch entity.

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

A:

Q: O.No.2 Data Modeling Concepts [CLO- The below table shows lecture details of different faculty…

A: I have drawn the ERD according to the following specification. There are mainly 4 entites, Students,…

Q: Translate the following ER-diagram to relational schema(s): d P a k M 1 Z T X R Y

A: Given , An ER diagram is given here in this question we have asked to convert it to corresponding…

Q: Differentiate between weak entity set and strong entity set

A: Note: There are multiple questions are given in one question. According to the rule, you will get…

Q: Create an entity named country and capital and create a one-to-one mapping using JPA. COUNTRY…

A: Create an entity country and capital and create a one-to-one mapping using JPA. Write a main program…

Q: Refer to this diagram. SALESPERSON CUSTOMER PK Salesparaon Number PK Customer Number No Customers…

A: If  twо  сlаsses  in  а  mоdel  need  tо  соmmuniсаte  with  eасh  оther,  there  must  be  а  link…

Q: A relationship between entity supertype and entity subtype is known as  ___

A: Subtype: Sub grouping of the entities in an entity type. Supertype: Supertype is a generic entity…

Q: A relationship between entity supertype and entity subtype is known as  _______

A: The Answer:

Q: QUESTION 2 in ERD, an Entity with a partial key is named: O Partial Entity O Srong Entity O Weak…

A: Strong Entity is an entity which is not dependent on other entity and have a primary key. Its…

Q: What is a Multivalued attribute?

A: To define:- Multivalued attribute:-

Q: Entity Relationship Diagram of the business, as shown in the case.  Completely and correctly specify…

A: The given problem has given the system description for order management where the requirement is to…

Q: Construct an E-R diagram for a local grocery store whose customers give their orders through the…

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

Q: 2- Design a class diagram of a course registration system. Note: utilize various class relations:…

A: Answer : the complete class diagram of course registration system is designed as below diagram using…

Q: n the attached diagram, which of the following statements are true?       primary key for section…

A: Weak entities are represented with double rectangular box in the ER Diagram and the identifying…

Q: relationship between entity supertype and entity subtype is known as  _______.     Partial…

A: A relationship between entity supertype and entity subtype is known as a Total participation…

Q: A person can be an employee, alumnus or a student. For person P_id (identifier), date of birth,…

A: ERD for the given requirement: No of Entities: Person entity Employee Alumnus Student Staff Faculty…

Q: A person can be an employee, alumnus or a student. For person P_id (identifier), date of birth,…

A: ERD for the given requirement: No of Entities: Person entity Employee Alumnus Student Staff Faculty…

Q: An entity student has a derived attribute "age". When mapping ER Diagram to schema, you place…

A: We have an entity 'student' has a derived attribute "age". When mapping ER Diagram to schema, where…

Q: .The properties of an entity is called _____________Single choice.   (1 Point) Entity set…

A: THIS IS A MULTPLE QUESTION BASED PROBLEM. ONLY FIRST QUESTION IS SOLVED. KINDLY SEND THE REMAINING…

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: Erd (Entity relation diagram)   Make an ER diagram about an online scheduling program of…

A: ERD:- The Entity Relationship Diagram is a type of structural diagram for use in the design of…

Q: A firm's rules of business are statements derived from a comprehensive description of the operations…

A: Introduction: Data modeling:  It is the process of creating a visual representation of an entire…