Is there a need for creating an associative entity? If so, draw one, if not, then suggest

Q: What does it mean to be a weak entity? Give an illustration.

A: An entity which can only exist when it is owned by another entity is called a weak entity. In terms…

Q: What does it mean to be a weak entity? Set a good example.

A: Introduction: Although an entity type should contain a key attribute that uniquely identifies each…

Q: What is the difference between a weak entity and a strong entity that is necessary to have a…

A: This question comes from Database Management System which is a paper of Computer Engineering. Let's…

Q: The property X can be found in two different entity sets A and B, but their names are unimportant…

A: ER Schema is another name for an ER diagram or ER model. The ER model is built on the foundation of…

Q: Describe the goal of an entity-relationship model in your own words.

A: Locating data in a logical place is the main goal of entity relationship model

Q: What two conditions must be met before an entity can be classified as a weak entity?Give an example…

A: Lets see the solution.

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: A weak entity is one that fails to fulfill the standards of any of the two criteria given above.…

A:

Q: Give Some additional examples of strong and weak entity pairs?

A: Strong entity: It can exist without any other entity Example:Patient(Patientid, name, surname)

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: What differentiates a weak entity from a strong entity that is needed to have a connection with…

A: The question wants to know the difference for the points important to have a connection with another…

Q: An entity that depends on an other entity to exist is called ________ entity.     Derived…

A: An entity is an object that exists. In database administration, an entity can be a single thing,…

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 distinguishesa weak entity from a strong entity that has a required relationshipto another…

A: Difference of weak entity from a strong entity: Weak Entity: It has a partial key. Dependent on a…

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

A: The, answer has given below:

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

A: In a relational database, a feeble substance is an element that can't be extraordinarily recognized…

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

A: Weak and strong entities are the two different types of entities in relational database and it is…

Q: Give a detailed description of an entity. Define and illustrate with sample an Entity Relationship…

A: Entity: It is described as a real-world object. It has a physical existence and a conceptual…

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

A: find your answer below

Q: Use ER Assistant to draw your diagram.   Draw a self-referencing entity type for the Employee…

A: The diagram is shown below

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: Create ER duagram of the foloowing information and also find entity identification, Rekationship…

A: For the given scenario the ER diagram has…

Q: Create an enhanced entity-relationship with ERD below, complete with PARTICIPATION and DISJOINT…

A: Enhanced ER model: (EER) diagrams are advanced versions of ER diagram.It is used in designing…

Q: Can you identify what each weak entity in this diagram

A: Weak entity means those entities which doesn't have primary key of itself and therefore depends on…

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: State a rule that says when to extract an attribute from one entity type and place it in a linked…

A: Let’s first understand what is entity type and attributes: Entity Type: A group of different…

Q: The participation of the weak entity in its relationship with the strong entity that defines it is

A: Explanation: The Identifying Relationship represented with a dual-diamond denotes the connection…

Q: TRUE or FALSE - A super-entity can only have two sub-entities and no more.

A: A SUPER-ENTITY CAN HAVE MORE THAN TWO SUB-ENTITES

Q: Why is it recommended that every ternary relationship be converted into an associative entity?

A: GIVEN: Why is it recommended that every ternary relationship be converted into an associative…

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: 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: Draw an Entity Relationship Diagram for the following scenario A, B, and C are entities. There is a…

A: The given problem is related to creating Entity relationship diagram where the entities and…

Q: Create an entity-relationship diagram for the three entities showing the correct cardinalities

A: An entity-relationship diagram for the three entities showing the correct cardinalities is as…

Q: Describe the Entity-Relationship model and its function.

A:

Q: What are the applications of entity-relationship diagrams? What kind of symbol is used to depict a…

A: Answer : application of entity relationship diagram : It is to simply understanding the relationship…

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

A: To convert a weak entity set to a string set, simply add the primary key attributes from its…

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

A: An entity set that does not have enough qualifications to make a key is called a weak business set.…

Q: Use ER Assistant to draw your diagram.  Transform the following M-N relationship into an associative…

A: ERD: ERD stands for Entity Relationship Diagram. This is a diagram which is used to show the…

Q: When is it necessary to represent a many-to-many connection using an associated entity?

A: According to the question Many-to-many connections are likely the trickiest connections to uncover…

Q: Represent the above as a single Entity Relation model. Provide any assumptions necessary to support…

A: Tairiq MinesError! Bookmark not defined.Tairiq Mines in Glen Austin has several parking lots, which…

Q: In the space provided below the following ERD, transform the following M-N relationship into an…

A: ERD: ERD stands for Entity Relationship Diagram. This is a diagram which is used to show the…

Q: What is an associative entity (also called an association entity)? What is an association…

A: Association RelationshipInformation Engineering (IE) is a way of representing relationships among…

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

A: Below are the Entity Relationship diagrams showing the relation between two entities.

Q: What exactly is included in the Weak Entity set?

A: A weak entity is one that can only exist when owned by another one.

Q: Question 1 Map the following ER diagram into a clear relation schema.

A: Solution-

Q: Entity Relationship model consists of collection of basic objects called _________ and relationship…

A: Entity Relationship model consists of collection of basic objects called _________ and relationship…

Q: b) Define the following: i. Entity. ii. Parameter. iii. Weak dimensions and weak constraints.…

A: Data Base Management System: DBMS is a software that is used to store, manage and use database…

Q: Applying your knowledge in Enhanced Entity Relationship modeling, Develop an EER model for the…

A: Answer: We will draw our EER model for the given situation, using the traditional EER notation or…

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…