Which of the following criteria would make an entity a weak entity? a.) If the primary key is not derived from the parent entity in the relationship b.) If the entity can exist without the entity with which it has a relationship c.) If the primary key of a related entity contains the primary key of the parent entity d.) If the entity has a primary key that is partially derived from the parent entity

Q: n an entity-relationship diagram, what does cardinality mean? 1:The data is saved concerning a…

A: Answer:

Q: What does cardinality indicate in an entity-relationship diagram? 1:The unique identification for…

A: Introduction: This question is about the unique identifier for which data is stored. The…

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: 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: 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: Justify how the main key of a relation is connected to all of the qualities of the relationship in…

A: Introduction: A primary key is a database characteristic that uniquely identifies a record. It's…

Q: explain and differentiate between strong entities and weak entites and juxtaposed with strong…

A: In this question we need to explain and provide differences between weak and strong entities in…

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: 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: An entity in X is connected numerous entity in Y, however an entity in Y is associated to only one…

A: Here  one entity in one set is related to more than one entity in other set.

Q: The primary key for a one (A) to many (B) binary relationship set between entity A and entity B with…

A: Explanation: Binary relationship shows the relationship between two entities. In one to many…

Q: a) What is the degree of "has" relationship? b) Identify primary key(s) c) Identify the category of…

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

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: the entity relationship diagram

A: Given :- In the above given question, the statements along with the identifier and related…

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

A: a,b:

Q: which relationship or association is depicited in the following entity relationship (ER) diagram?…

A: The question seems to be about an Entity-Relationship (ER) diagram that involves three entities:…

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: Study the following case and Construct the Entity Relationship Diagram (ERD) showing entities,…

A:

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

A: 1. If a student studies more than one major, the "Major" attribute in the "Student" entity is called…

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: . Refer to this entity-relationship diagram. How does this diagram depict a unattractive…

A: The solution is as follows

Q: C1. "Nomadic Desert Camp, Oman" requires an Information System to maintain the details of the…

A: The given scenario is related to an  amusement booking system for which an ER diagram has been…

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: the term for the number of entities

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

Q: Define when an attribute from one entity type should be extracted and inserted into another

A: The answer is

Q: Explain and differentiate between      i. strong entities and weak entities     ii. Strong…

A: The differences are given in the below step Happy to help you?

Q: The one line between "MANAGES" Relationship and "PROFESSOR" Entity type is known as: O 1. Total…

A: Answer of the given question: choice (b)Partial Participation is the correct answer. The complete…

Q: Create an Entity Relationship Model

A: ER Diagram:

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

A: The answer is given in the below step

Q: Structurally-speaking, what weakens a weak entity (ie. why do we even call it 'weak')? b.How would…

A:

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…

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.