What is the difference between a weak entity and a strong entity that is necessary to have a connection with another entity?

Q: • Consider the following scenario A company provides catering services for clients who need…

A: Actually, given information: A company provides catering services for clients who need…

Q: What is an entity relationship model?

A: Please find the answer, detailed explanation and a sample ER diagram in the following steps.

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: Explain how weak entity representation differs from strong entity representation.

A: Entity: The entity is a representation of an object, table, or thing in a database management…

Q: A weak entity set may always be turned into a strong entity set by adding the primary-key attributes…

A: A weak entity set may permanently be transformed into a strong entity set by including the main…

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: 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: Give an example of how the distinction between a candidate key and an entity type identifier is…

A: Entity Identifiers: Entity IDs are critical properties that are used to uniquely identify each…

Q: The following statements are correct for. 1. Certain attributes may apply to some but not all…

A: Generalization: Based on the common features that exists among a set of entities,  they can be…

Q: Regular entity type is transformed to a relation.

A: To be determine: Regular entity type is transformed to a relation.

Q: In a few words, describe the logical link between the entities entity, attribute, and relationship.

A: According to the question An entity is a distinguishable actual-international object that exist. An…

Q: is a term used to measure the number of relationships between an entity and other entiti…

A: We are going to understand which terms is used to measure the number of relationship between an…

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: An entity that depends on an other entity to exist is called ________ entity

A: There is something known as an entity, and it is that thing. If you're working with databases, an…

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: Design an Entity Relationship Diagram for the following example

A: For given given scenario we can have following  entities and their corresponding attributes :…

Q: Describe the entity-relationship model. How are entities, relationships, and attributes represented…

A: Actually, An Entity relationship diagram is a graphical representation a database that describes…

Q: Describe the objective of an entity-relationship model.

A: Entity Relationship Diagram: The ERD (or Entity Relationship Diagram) is a tool for discussion,…

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

A: The Answer

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 is the term used to describe a non-key attribute in one entity that points to the primary key…

A: This is used to establish relation between two tables

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: 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: Describes a relationship in which each instance of data in one entity is represented by only one…

A: The following are the three types of relationships that exist between entities: One-One…

Q: What are entity-relationship diagrams and how are they used? What symbol is used for a relationship?…

A: Explanation: Any real-life object interacting in a business scenario is represented in the form of…

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: What distinguishes a weak entity from a strong entity required to connect with another entity is not…

A: Introduction: A weak entity from a strong entity required to connect with another entity is not…

Q: What is the definition of an Entity type?

A: Ans.) Entity type:- A person, organization, object type, or concept about which information is…

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

A: Here are The Two requirements that an entity must meet in order to be classified as a weak entity…

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: If you are reading a flat file, with minimal information regarding business rules and constraints.…

A: Solution:Even though the file contains minimal information about business rules and constraints,…

Q: A relationship between entity supertype and entity subtype is known as  ___

A: Subtype: Sub grouping of the entities in an entity type. Supertype: Supertype is a generic entity…

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

A: An associative entity could be a term utilized in social and entity–relationship hypothesis. A…

Q: Consider the following scenario A company provides catering services for clients who need…

A: Actually, given information: A company provides catering services for clients who need…

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: Specifically, on which side of a many-to-one connection does the primary key of one entity function…

A: Given: Specifically, on which side of a many-to-one connection does the primary key of one entity…

Q: When must a many-to-many relationship bemodeled as an associative entity

A: Given: When must a many-to-many relationship be modeled as an associative entity.

Q: What is the distinction between an entity class and an entity instance?

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

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…

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.