Q1 / answer the following: 1- The difference between relational data model and entity- relationship data model. 2- The difference between weak relationship and strong relationship.

Q: Give an example of how attributes are used in a relationship model, and what the generic term for an…

A: Entities in the ER model contain characteristics that may be single-valued, multi-valued, composite,…

Q: Which data model does not support the many-to-many relationship between entities? Explain that model…

A: Since it is not possible to store the data efficiently in relational databases, you cannot enforce a…

Q: Explain what the Entity-Relationship model is and what its purpose is

A: Entity Relationship model is a simple diagram which depicts the structure of tables and the…

Q: What Are the Critical Relationship Types Found in a Data Model? Describe Them.

A: To describe the critical relationship types found in a data model.

Q: What can be shown by the use of an associative entity? Unstructured data in a format that makes it…

A: Associative entity is a type of entity which is formed based on the attributes present in the…

Q: What can be shown by the use of an associative entity? Unstructured data in a format that makes it…

A: An associative entity in the data model is a link between two entities with a possible many-to-many…

Q: What are the important types of relationships in a data model, and explain them?

A: ANSWER: Data Model Relationship: There are three kinds of relationships between the data you are…

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: please explain me introduction about Entity Matching technique and eplain it with example this…

A: Entity Matching technique:  The matching entity is associated with deciding whether two distinct…

Q: Convert the Entity Relationship diagram  to a Relational Data Model.

A: Convert the Entity Relationship diagram  to a Relational Data Model

Q: 48. Collection of tables to represent both data and relationship is described by _____________. a.…

A: Given that, 48. Collection of tables to represent both data and relationship is described by…

Q: 48. Collection of tables to represent both data and relationship is described by _____________. a.…

A: Question 48. Collection of tables to represent both data and relationship is described by…

Q: 42. Which of the following is example of Object based logical model ? a. Entity Relationship Model…

A: please see the next step for solution

Q: Which of the following is a Data Model? a. Entity-Relationship model b. Relational data model c.…

A: Given that: Which of the following is a Data Model? a. Entity-Relationship model b. Relational data…

Q: Which data model does not support the many-to-many relationship between entities

A: Relational databases

Q: Which data model does not support the many-to-many relationship between entities

A: Refer to step 2 for the answer.

Q: xplain 1:M unary relationship in a relational data model.

A: The level of a relationship is the number of element types that take part in the relationship.

Q: ember the Martian caterpillars? Convert the EER into a relational diagram. Make sure to follow the…

A: It is defined as the process which organizes data into tables which can be linked or related based…

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…

Q: Create a simple Entity-Relationship diagram of a Unobtrusive method of data gathering and Create a…

A: Create a simple Entity-Relationship diagram of a Unobtrusive method of data gathering and Create a…

Q: Multiplicity is the same as what concept for an ERD? a. Relationship b. Attribute c. Entity d.…

A: multiplicity constraint represents for a relationship type. It represents the number (or range) of…

Q: Multiplicity is the same as what concept for an ERD? a. Relationship b. Attribute c. Entity d.…

A: Please see the next step for solution

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

A:

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: What exactly is a business rule, and how does it aid data modeling?

A: Business role is concise and brief representation of business policy. When business procedure…

Q: Q.No.1.a. Draw ER- notation for the given elements of ER-Model. Entities Strong Entity Weak Entity…

A: Note: The solutions of the first three subparts of question 1 are shown below. Please repost the…

Q: Give two examples of each from daily life through relational schema: a. Primary key b. Foreign key…

A: Primary Key:-   A primary key is an attribute that exists in a table or is created by the database…

Q: Distinguish between a relationship and anassociative entity, and use associative entitiesin a data…

A: M: N relationships may have associative entities OR single associative attributes that characterize…

Q: 3: Mapping the ER diagram into a relational model.

A: ANSWER:--   Given that,   · A factory wants to manage its manufacturing process in terms of the raw…

Q: efine the general name for an attribute and provide an example of how it's utilized in a…

A: Here the user is asking about attribute and how it's used in relationship model.

Q: es per entity making sure that you identify the primary key attribute, composite attribute, simple…

A: Identify 5 attributes per entity making sure that you identify the primary key attribute,…

Q: Part 2) You are asked to design a conceptual data model using ER /EER diagramming for the business…

A: rectangle shows an entity oval shows attributes diamond shows relationship between two entities

Q: How to represent associative entity in a relational data model.

A: To be determine: How to represent associative entity in a relational data model.

Q: How to represent associative entity in a relational data model.

A: GIVEN: How to represent the associative entity in a relational data model.

Q: According to the data model, is it required that every entity instance in the PRODUCT table be…

A: Database Management System(DBMS) is a software for storing and retrieving users data while…

Q: 3. Which of the following is a Data Model? a. Entity-Relationship model b. Relational data model c.…

A: ER or Entity-Relationship model:  it describes interrelated things of interest in a particular…

Q: Regards to the diagram below (figure 4.12), answer the following questions using the multiple-choice…

A: The answers for the following question can be derived from the diagram given. How is of_type…

Q: Discuss the concept that an attribute that is part of a composite primary key is also a candidate…

A: Required: Discuss the concept that an attribute that is part of a composite primary key is also a…

Q: Discuss the concept that an attribute that is part of a composite primary key is also a candidate…

A: A candidate key is a single field or a composite expression that meets the requirements of a primary…

Q: Concisely define each of the following keydata-modeling terms: conceptual data…

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

Q: Demonstrate your understanding of the Entity-Relationship Model and its function.

A: Introduction: A problem domain's information structure is represented in terms of entities and…

Q: 1- Mapping this ER diagram to Relational Model diagram 2- Normalization of the relation scheme (1NF,…

A: Given ER diagram contain many entities and attributes. In conversion of ER diagram to Relational…

Q: Analyze the given entity-relationship diagram and answer the following questions.   What is the…

A: Part(1) Degree of relationship is basically the number of entities that in general participates in…

Q: Distinguish between Data Dictionary and Entity Relationship diagram. Give examples to illustrate…

A: According to the information given:- We have to distinguish between Data dictionary and entity…

Q: Exercise 3.17 Consider the ER diagram that you designed for the Prescriptions-R-X chain of…

A:

Q: What is the definition of an Entity set?

A: Please find the detailed explanation in the following steps.

Q: clearly any additional assumptions you make. If we add the relationship ADOPTS, to indicate the…

A: It stands for Entity- Relational Diagram. It is a significant level theoretical information model…

Q: Create an Entity-Relationship Model to represent the data requirements of the problem given below.…

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

Q: How are entity-relationship diagrams used? What kind of symbol is utilized to represent a…

A: How are entity-relationship diagrams used? Ans:  Entity-Relationship Model (ER Modeling) is a…

Q: How strong is a relationship? Give an illustration of each of the relationship degrees shown in this…

A: The number of entity types involved in a connection is referred to as its degree. Binary, Unary, and…