What are the two requirements that an entity must meet in order to be classified as a weak entity? Give an example of a weak or susceptible entity to illustrate your point.

Q: Construct an Entity Relationship Diagram (ERD) in Crow’s Foot Notation for the following Nationwide…

A: answer is

Q: Can foreign keys be used with weak entities in an entity relationship diagram??

A: A entity that cannot be uniquely identified by its attribute alone is called weak entity.…

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: For each entity, there needs to be an indication of whether it is one-to-one, one-to-many or…

A: The answer is

Q: What are the principles for deciding how to identify and construct connections between entities in…

A: The ER model is a conceptual tool used to illustrate system data models. It's a graphical…

Q: Evaluate the survival of an entity without IT/IS in a critical manner.

A: An organization's existence without IT:Information technology (IT) is used in industry to foster…

Q: The below Entity Relationship Diagram (ERD) was drawn according to the business rules shown below. ●…

A: - :  Entity Relationship Diagram(ERD)  : -

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: Show that you understand the Entity-Relationship Model and how it works.

A: Introduction: ER model stands for an Entity-Relationship model. It is a high-level data model.  This…

Q: What is the difference between a weak entity and one that requires communication?

A: Answer: The other entity that is required for communication is a strong entity. So, Weak entity and…

Q: Office stestbiame deptCode lastName frstName tacid rank Department employs Credits Faculty sRated…

A: a)entity type that has more than 2 relationships are- class and department class- relationship with…

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

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

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: Give a simple example of an E-R diagram for each concept and then write the business rules for each…

A: In an Entity-Relationship (ER) diagram, an associative entity is an entity that represents a…

Q: a. Draw ER- notation for the given elements of ER-Model. 1. Entities a. Strong Entity b. Weak Entity…

A: Strong Entity: Weak Entity: Associate Entry:

Q: Consider the below ERD in Figure 03 of Student Enrolment system and answer the below questions.…

A: List the strong (non-weak) entity types in the ER diagram. Student Enrollment Lecturer Subjects…

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: 1. If a weak E exist and has Then, what m

A: 1 . If a weak entity E depends on entity S to exist and has 1:m relationship with entity F. Then,…

Q: Can weak entities have foreign keys in entity relationship diagram

A: The, answer has given below:

Q: Compile a list of the ideal attributes for an entity identification attribute.

A: Introduction: An entity type's identifier is one of the candidate keys that uniquely defines the…

Q: Was cardinality ever used as a representation of anything in an entity-relationship diagram? 1:The…

A: INTRODUCTION : Foundation This question is from Database Management System, a Computer Science…

Q: A entity instance of one type related to exactly one-entity instance of another type is------? Many…

A: A entity instance of one type related to exactly one-entity instance of another type is------?…

Q: Give an Example of a weak entity and its identifying relationship?

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

Q: What exactly are entity-relationship diagrams, and how do they come into play? What kind of symbol…

A: Any real-life item engaging in a business situation is represented by an entity, which contains a…

Q: Question 1: The following ERD refers to an borrow system of a library. Member can borrow different…

A: a,b:

Q: To manage the materials of a factory, please give the E-R diagrams. Such entity sets are involved as…

A: The E-R diagram is given below:

Q: Consider the depicted state for relation R in the table below: C y 2. Which of the following…

A: Correct regarding functional dependencies in given relation R

Q: What is the precise definition of a weak entity type? What is the undisclosed information? Could you…

A: Answer is given below

Q: Establish the objective of an entity-relationship model and explain how it is constructed

A: Introduction: ER models explain how objects in a particular field of knowledge are interconnected.…

Q: 3.4. Which statements are correct? a. A weak entity type can only have one attribute type. b. A weak…

A: The solution to the given problem is below.

Q: Describe the entity-relationship model in detail.

A: Entity relationship models are based on the real-world entities and their relationships.

Q: Given the ER diagram above, answer the following questions: Name an entity type that has more than…

A: a)Department is an example of entity having more than one relation. b)Departmentname is a key…

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: What two criteria must an entity meet in order to be categorized as a weak entity? Give an example…

A: The Answer

Q: is the relationship between a weak entity type and its owner. Select one: a. associative entity b.…

A: Identifying relationship is the relationship between a weak entity type and its owner.

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: What are the two requirements that an entity must have in order to be classified as a weak entity?…

A: We have to discuss What are the two requirements that an entity must have in order to be classified…

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: What is the purpose of entity-relationship diagrams? What sort of symbol is used to depict a…

A: Given: What are entity-relationship diagrams used for? What kind of symbol is used to represent a…

Q: The cardinality ratio depends on the real-world meaning of the entity types involved and is defined…

A: 1.A student can only one Social Security number while a Social Security number can belong to only…

Q: What two criteria must an entity satisfy in order to be categorized as a weak entity? Provide an…

A: weak entity is one which is dependent on strong entity. if strong entity is not there weak entity…

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