Differentiate among following: [at least 4 differences] 1. include and extended relation in use case diagram 2. Class and Object diagram

Q: When is it important to use an associative entity to express a many-to-many relationship?

A: Associative Entity is used when relationship is to be established in a relation. Like Student and…

Q: Code for Mapping relationship with Entity Framework Code First: One-to-one and variations

A: Code to map one-to-one type relationships using Entity Framework.

Q: What precisely does "Identifier attribute" imply when it is used?

A: Introduction: An Attribute of Identifiers: To name or otherwise distinguish distinct instances of an…

Q: Question 6 In order to make it easier to compare the relation scheme diagram to the UML diagram, we…

A: In order to make it easier to compare the relation scheme diagram to the UML diagram, we (check all…

Q: Create Use Case descriptions for the use cases depicted in the diagram above

A: A "Use Case" in Unified Modeling Language (UML) is a graphical illustration of a device's…

Q: Which of the following is another term for a recursive relationship? Group of answer choices ternary…

A: Ternery relationship is one which involves 3 distinct entitiesBinary relationship is one which…

Q: Assignment Week 1 Create and ER- Diagram Using the Entities / Tables below: Tables Classes…

A: From the limited information provided about the context of the problem the following entities and…

Q: What is Ternary Relationship?

A: Given: What is Ternary Relationship?

Q: What is the functional relationship between the main key and a non-key attribute as explained by…

A: The connection between any two characteristics is known as functional dependency. For example, there…

Q: design an Enhanced Entity Relationship (EER) diagram Topic: Locomotives The ERR diagram should…

A: entities of system : PaperBook, ElectronicBook, Users, borrowing_transactions Attributes of…

Q: What characteristics define a strong use case? Use cases and their properties have certain…

A: A good use case should be easy to read and comprehend, explicitly define the precise tasks needed in…

Q: TRUE or FALSE - Generalization (is-a) is the relationship established between entities to show that…

A: Answer: the given statement is false

Q: Explain entity sets.

A: Entity sets are a fundamental concept in the field of entity-relationship modeling, which is used to…

Q: What precisely does "Identifier attribute" imply when it is used?

A: The answer for the above mentioned question is given in the below steps for your reference.

Q: distinguish between relationship types and relationship instances

A: Relationship type: This expresses a type of relationship that is occurring between the entities and…

Q: Need help with this prolem and please do not use ChatGPT Part A: Use Case Diagram In the…

A: A use case is a technique used in software development and systems engineering to capture and…

Q: Compare and contrast the top-down and bottom-up approaches. The following points should be included…

A: Algorithms in programming languages are generally constructed in one of two ways: top-down or…

Q: 34. How would you change your prompt to have it display the current time (hour and minute) and the…

A: To display the current time you need to follow belowprompt $P - $T$H$H$H$H$H$H$G It will display…

Q: Explain entity sets.

A: Entity sets are a fundamental concept in entity-relationship (ER) modeling, which is used to design…

Q: Define CASE and its tools, as well as a CASE environment.

A: CASE environment: A CASE tool is a computer-based product targeted at helping one or more software…

Q: 2- Design a class diagram of a course registration system. Note: utilize various class relations:…

A: Answer

Q: Design a class diagram of a course registration system. Note: utilize various class relations:…

A: A class diagram of a course registration system.

Q: A_ _is a property of the entire relation, rather than of the individual tuples in which each tuple…

A: 1) A key in DBMS is an attribute or a set of attributes that help to uniquely identify a tuple (or…

Q: etween > and > relationships in Use

A: Q.

Q: What does the relationship marked "extend" indicate in the use case diagram?

A: Use case diagram and relationship 1) In UML (Unified Modeling Language), a user interface can…

Q: A property that specifies the nature of an entity is called an attribute

A: In the real world, an entity is a "thing" or an "object" that can be recognized from all other…

Q: Define key terms subtype?

A: Given: Define key terms subtype?

Q: Library Management system: This system allows the students to search books,request books etc.…

A: Below I have provided the solution of all the case study of the given application.

Q: When is it important to use an associative entity to express a many-to-many relationship?

A: According to the question many to many is used to makes relationship between two or more data or if…

Q: What precisely does "Identifier attribute" imply when it is used?

A: Identifiers are special attributes that are used for locating or providing context to individual…

Q: define attribute * lour a nswer

A: It is defined as systematic collection of data. They support electronic storage and manipulation of…

Q: What precisely does "Identifier attribute" imply when it is used?

A: Identifier attribute:: Individual instances of entities are given names or other means of…

Q: Library Management system: This system allows the students to search books, request books etc.…

A: Use Case Diagrams: referred as a Behavior model or diagram. It simply describes and displays the…

Q: Delegation represents:   a. White-box reuse    b. Has-a relationship   c. Black-box reuse…

A: Delegation means that you use an object of another class as an instance variable, and forward…

Q: What is the function of a subtype discriminator?

A: The Answer is in step-2.

Q: Computer Science: Why normalized relations may not impair the efficiency of a physical…

A: The answer :

Q: When do you need to use an associative entity to depict a many-to-many relationship?

A: Modeling of associative entities An Associated Entity is a relationship that has been transformed…

Q: What does it imply precisely when someone refers to something as having a "Identifier attribute"?

A: Intro Identifier attribute: Identifiers, which are sometimes known as characteristics, are what are…