r each given EERD, construct the Business Rules. The Business Rules must be complete taking into consideration the Entities, their Attributes, Relationships, Cardinalities, Subclass / Superclass, and Constraints (whichever are shown in t

Q: Q2/I/ draw the entity relationship for each of the following: 1-" a student studies one or many…

A: Answer :  I attached an ER diagram please have a look once.

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: Define a weak entity set and a strong entity set

A: (1) An entity set refers to a collection of similar objects, concepts, or ideas that can be uniquely…

Q: Prepare an entity relationship diagram for the revenuecycle that includes entities, cardinalities,…

A: An ER diagram using crow's foot notation has been designed to comply with the given business rules .…

Q: Exactly what would you store in an entity subtype?

A: Object Subtype To cut down on the overall number of attributes for each entity, entity subtypes are…

Q: Explain the distinction between entity type and entity instance.

A: GIVEN: Explain the distinction between entity type and entity instance.

Q: A weak entity is defined as one that does not meet the requirements of any of the two criteria…

A: Let's have a look at the solution. Two criteria must be fulfilled in the order to be classed as a…

Q: What exactly is the difference between a weak entity and one that needs communication to function…

A: find your answer below

Q: Generalization is the process of defining a general entity type from a collection of specialized…

A: Generalization is a process of a new entity being formed using the collection of two or more…

Q: What are the characteristics of a strong entity set as opposed to a poor one?

A: A strong entity is defined as an entities relation that owns a primary key and is independent, which…

Q: What is the definition of an Entity set?

A: Answer An entity set is a logical container for instances of an entity type and instances of any…

Q: The following Entity-Relationship diagram has two entity types and one relationship type. There are…

A: The given ERD diagram fails to the capture the following aspects in toto or incompletely or…

Q: List the Entity-Relationship (ER) model's various characteristics.

A: - We need to list the characteristics of Entity-Relationship model.

Q: Exactly what would you store in an entity subtype?

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

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: What distinguishes a weak entity set from a strong entity set?

A: In database design, an entity set is a group of similar entities, such as customers or products. An…

Q: Given the conceptual model below a) Write all business rules depicted by the model.          b)…

A: a) Write all business rules depicted by the model.1. customer own many cars. 2. Some customers do…

Q: Draw an Entity Relationship Diagram for all of those below. Draw an ER diagram to represent…

A: Note: As per our guidelines I am solving Ques 1 for you. Kindly repost other questions separately.…

Q: Why are weak and strong entity sets different?

A: Entity sets in database design refer to collections of related entities or objects. Weak entity sets…

Q: Draw an ER diagram on any application for a student information system with 4 entities: -entity…

A: The answer is given in the below step

Q: Construct an (E)ER diagram for a hospital system with the following requirements: Patients…

A: The hospital system described below is a database system designed to manage information about…

Q: When an attribute of one entity type references another entity type's attribute, this means that: O…

A: The solution is given in the below step with explanation

Q: The difference between a weak entity set and a strong entity set should be explained.

A: Strong Entity:  A powerful entity does not rely on any other entity in the schema for its existence.…

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

A: The given scenario has Six entities Branch, Staff, Product, Customer, Vendor, Sale. Sale is only…

Q: NINO DOB Address Tel Religion Name Name (1.3) (1.1) Patient H Next of Kin Nuraina Hame Na (1,1)…

A: the patient entity is further divided into two disjoint classes which are day care and resident…

Q: Please draw the enhanced entity relation diagram with subclass and superclass structure for three…

A: Given Please draw the enhanced entity relation diagram with subclass and superclass structure for…

Q: Explain the difference between an entity class and an entity instance.

A: Entity: Entity may be a thought to abstractly represent all instances of a bunch of comparable…

Q: Build an entity-relationship diagram, deriving relations and validating relations using…

A: entity-relationship diagram

Q: It's not immediately clear what distinguishes a weak entity from a strong entity that requires a…

A: Entity is a real world object or thing with independent existence. Entities are independent and can…

Q: Are associative entities also weak entities? Why or why not? If yes, is there anything special about…

A: Associative entity: • An associative entity associates the instances of one or more entity types. •…

Q: Draw an ER diagram with the following data: Entities: Student, Exam, Course ⚫ Relationships: •…

A: An ER diagram is a visual representation of the entities, attributes, and relationships in a…