a which of the following can one entity insta "pe? DA. One to Many relationship O B. Many to Many relationship DC. One to One relationship

Q: What kind of data would you keep in an entity subtype?

A: Given: A subtype is  sub-grouping of the entities that make up an entity type that has significance…

Q: What considerations are essential when determining the cardinality of a relationship?

A: Cardinality is the amount of instances or entities that can be connected to each side of a…

Q: QUESTION 1 Which of the following views is represented by the entity relationship diagram (ERD) as…

A: Question :-

Q: Explain Basic concepts and definitions in relationships?

A: Given: Explain Basic concepts and definitions in relationships?

Q: Which concepts and terminology are fundamental to relationships?

A: When a relationship is defined between two businesses, we call them the parent business and the…

Q: Given the diagram below, we would like to place a relationship name for the entity type on the…

A: Answer is

Q: Question 19 Which of the following is a relationship between two entities? Group of answer choices…

A: In the intricate realm of data modeling and database design, the concept of relationships between…

Q: a. Construct more general entity type from the given set of more specialized entity types. STUDENT…

A: An entity relationship model is a logical model of a database that represents entities and their…

Q: Names and definitions for entities, relationships, and attributes should all be proper.

A: Entity: Entities are the objects that are shown with a rectangular shape. An entity is an object of…

Q: Creating a new entity is an example of which level of abstraction: (a)Conceptual (b)Internal (c)…

A: In the context of databases and data modeling, an entity is a real-world object or concept that can…

Q: What types of information 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: What kind of information would you store in an entity subtype?

A: Introduction Subtype: Modeled entities can be specialized into subtype entities, commonly known as…

Q: See attached photo, help me to make the sequence diagram (on the left) clear and easy to understand.…

A: Answer : Sequence Diagram : 1) Sequence Diagram belongs to Interaction diagram of UML family. 2)…

Q: Identify the entity ⦁ Identify the entity’s attribute ⦁ Identify the primary and foreign Keys ⦁…

A: Entities: Professor Class Course Room Entity Attributes: 1. Professor: Name ProfessorId(Primary…

Q: If a student studies more than one major, the "Major" attribute in the "Student" entity is called: *…

A: - We need to choose the correct out of the given.

Q: Based on the diagram below, which entity is optional? HE Entity A Entity A O Both Entity A and…

A: When we say that an entity is "optional" in the context of a database or data modeling, it means…

Q: Which of the following refers to the association between the instances of one or more entity types…

A: Explanation:   Relationship- An association between the instances of one or more entity types that…

Q: What is the process of creating a one-dimensional array?

A: What is the process of creating a one-dimensional array below step

Q: Which of the following is the term for whether or not an instance of one entity class must…

A: Ordinality refers to the sequence or order in which instances of one entity are associated with…

Q: What kind of data would you keep in an entity subtype?

A: Database is basically a software that manages the collection of related data. The data can be…

Q: Explain what is-a relationship is and the benefit it brings?

A: Is-a relationship In the object oriented programming or the OOP we do know the concept of the…

Q: Which one of the following is defined as" the requirement that actions of an entity may be traced…

A: Accountability is the property that guarantees that the activities of a substance might be…

Q: 1. i).To represent one entity that is a specific type of another entity we use…..? a.Relationships…

A: 1. i). The correct answer to this question is option a. Relationships Explanation: - Any…

Q: ERD and Keys A contractor’s main entities are its customers, employees, projects, and equipment. A…

A: The entities used in ER Diagram are: CUSTOMER EMPLOYEE EQUIPMENTS PROJECT The attributes for the…

Q: Identify 5 entities making sure that these entities are related in some way (they have…

A: Entities are the real world example which can be person, object or place.

Q: Entity-Relationship Diagram (ERD) An ERD visually represents the relationships between entities in a…

A: In response to the dynamic and competitive nature of the coffee industry, Urban Bean, a newly opened…

Q: What sort of information would you put in an entity subtype?

A: In the below step can I explained entity subtype.

Q: the term for the number of entities

A: Given :-In the above question, a statement is mentioned

Q: Why are alternative computer architecture gaming programs so popular?

A: In gaming applications dual bus architecture with microprocessor is mostly used, in gaming is all…

Q: Which of the following Crow's Foot symbols can be placed at the location pointed to by the arrow in…

A: When observing a Crow's Foot Diagram, it is important to recognize the correct symbol to represent…

Q: what is another term for an entity unique identifier? a) local key b) primary key c) association…

A: The correct answer is given below with proper explanation Happy to help you ?

Q: On which side of a many-one connection does the main key of one entity serve as a foreign key? On…

A: Given that: On which side of a many-one connection does the main key of one entity serve as a…

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.