For each of the THREE relationships in the Entity-Relationship Dia- gram in Figure 1, explain and justify the cardinality and participation constraints following the guidelines in lectures and exercises.

Q: how to graphically identify an entity, a the cardinality (o,N), a weak relation ship, and a strong…

A: Graphically identifying an entity in a Crow’s Foot notation: In ER model, the term entity refers to…

Q: Model each of the following constructs inanE-R diagram: composite attribute,multivalued attribute,…

A: Model each of the following constructs inanE-R diagram: composite attribute,multivalued attribute,…

Q: The present article furnishes an account of three discrete scenarios wherein the adoption of a…

A: A surrogate key is a unique identifier assigned to database records that are different from any…

Q: A weak entity set may always be trans formed into a strong entity set by including the primary-key…

A: The Answer is given below step.

Q: Analyze the diagram bellow and transform it from conceptual model to a logical model using the…

A: Logical model:                    it defines the relationship between the entities and data elements…

Q: Provide a separate ER diagram representing each of the following situations. 1.A is an entity. It…

A: ER diagram 1)

Q: Computer Science Create the ER diagram for the following requirements and map it to relational…

A: ER diagram stands for Entity Relationship diagram. It contains mainly three components that are:…

Q: Assume that there are two entity sets A and B, both of which possess the property X. (among others…

A: SUMMARY: -Hence, we discussed all the points.

Q: When an entity has the primary key of another entity as an attribute, this creates: A Parent-Child…

A: Many to many relationship: - When various(more than one) records in one table are linked to various…

Q: USE CASE DELIVERY OF QUALIFICATIONS

A: The sequence diagram, which is also known as an event diagram, shows how messages move through the…

Q: Each weak entity collection may be fortified by adding more relevant attributes. The question then…

A: Introduction: Entity sets and weak entity sets are fundamental concepts in database design. Weak…

Q: Consider the differences and similarities between concentration and breadth. There is an instance…

A: Concentration emphasizes specialization and depth of knowledge in a specific area, while breadth…

Q: fying entity set to its attributes, a weak entity set may always be transformed into a strong entity…

A: A weak entity set can always be made into a strong by adding to its attributes the primary key…

Q: Draw an entity relationship (ER) diagram of subject enrollment through LMS.

A: Step 1:- ER diagram(Entity-Relationship diagram) it is used define the relationship between the…

Q: Examine the differences and similarities between Concentration vs breadth For each entity,…

A: Difference between concentration vs breadth: Concentration: Advanced math, physics, and graphics…

Q: Give a Relational Model that corresponds to the Entity-Relationship Diagram in Figure 1. You must…

A: Relational Database schema is given below :

Q: A person can be an employee, alumnus, or a student. For a 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 weak entity set may always be made stronger by adding the primary-key attributes of its…

A: Introduction: A weak entity set will always be better off if its main features are added to its…

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: Give a Relational Model that corresponds to the Entity-Relationship Diagram in Figure 1. You must…

A: Entity Relationship diagram mainly contains 3 components, that are Entities, Relationships and…

Q: can be converted to a strong entity set by simply adding the appropriate attributes. Why,

A: For the following reasons, a weak entity set is required:

Q: What exactly does it imply when we talk about the weak entity type? What exactly is the key? Please…

A: In the context of entity-relationship modeling, a weak entity type is an entity type that depends on…

Q: In an entity-relationship model, which of the following is a kind of attribute that should have some…

A: Required attribute is an attribute that must have a value in it. hence, it can not be left empty.

Q: By simply adding relevant properties, we may transform any weak entity set into a strong entity set.…

A: To begin, we must understand what a weak entity set is.

Fundamentals of Managing Data

Data management is creating, organizing, storing and managing the data collected and created by any organization.Effective data management is a crucial part of today's world. Data management provides analytical information on the vast amount of data collected from business applications daily, which helps make critical business decisions and plan and bring out the best strategies.