here is a thing that I don't understand in this ER Diagram, which is the circle that has (O) inside and connect Staff member with Tutor and lecturer. what is it exactly and what is the purpose of it.

Q: Please make sure that the answer actually corresponds

A: class diagram is a diagram used in designing and modeling software to describe classes and their…

Q: Interview a friend or family member to elicit common examples of supertype/subtype relationships he…

A: A supertype is a generic entity type that has a relationship with at least one subtypes.  A subtype…

Q: Can you draw ER Mapping this ER diagram? Customer -Purchase-- product phone -Made by name Adress…

A: Given ER mapping contains 6 Entities that are: Customer, Product, Payment, Profit, Employee, raw…

Q: ake a diagram or figures that shows high cohesion and loose coupling

A:

Q: Based on this information what would an ER diagram look like: The kindergarten allows the parents…

A: Let's list all possible entities: LunchMenu includes all the menu items. Code = Primary key All…

Q: he query of this phase analyzes the students’ appreciation in examining the given situation and…

A: State diagram: State diagram is graphical representation of system it defines the behavior of the…

Q: Where can we even begin to define a connection? Learn to recognize the components of a relationship.

A: A  connection or link between two or more persons or objects is called a connection. It can be…

Q: course has a code, course name, credits, and an instructor. Each course uses a textbook. • A…

A: ER diagram is an abbreviation for Entity Relationship Diagram. An ER diagram represents the…

Q: Enhance the state Diagram below to handle the following situations: (a) The course section can be…

A: As given in the state diagram the registration process has already done.…

Q: Describe each and every step about diagram, clearly ?

A: The Answer is

Q: iven the ER-diagrams shown below, describe (in an organized way) as much as you can about the real…

A: Answer : The entities list of above ER diagram are : 1) office  2) employee  3) Patients. 4)…

Q: Can you please help me with real answers ?

A: This is a different and CORRECT solution by me from the previous one posted by someone. You should…

Q: Visibility in OOAD refers to... Tell us about its significance in achieving high levels of…

A: Given: Object-oriented analysis and design OOAD visibility Visibility limits an element's use in…

Q: OO questions Create the UML diagram for the two entities( person, books). A person has borrowed…

A: The "Person" class has a private attribute `id` to represent a unique identifier for each person and…

Q: Using a diagram, explain the prototype model. What are the benefits, drawbacks, and applications of…

A: Prototype Model:- In this model, a prototype of the system required is built. The early output is…

Q: 18. Draw vertical lines to delineate the working set(s) in this diagram: time

A: The solution for the above given question is given below:

Q: Given a UML a diagram with multiplicity that is either “ 1….∗” or “ 0….∗”. Explain what difference…

A: A Unified Modelling Language diagram may be a diagram supported the modelling language with the aim…

Q: See attached photo, help me to make the sequence diagram (on the left) clear and easy to understand.…

A: Answer : Sequence Diagram : 1) Sequence Diagram belongs to Interaction diagram of UML family. 2)…

Q: 1. Design and use interfaces Write a class named Octagon that extends GeometricObject and implements…

A: Actually, program is an executable software that runs on a computer.

Q: Create a State Diagram for an old western shooting video game. With all the proper components…

A: I have designed a Use Case Diagram for a wester shooting game but you can add more features to it.…

Q: I need to create a UML diagram from this question

A: The relationships exhibited are as follows: Student class inherits Person Employee class inherits…

Q: Visibility in OOAD refers to... Tell us about its significance in achieving high levels of…

A: object-oriented analysis and design: OOAD visibility Visibility limits an element's use in…

Q: What precisely is meant by the term "framework," and how does one go about establishing one?

A: The solution is given in the below step.

Q: Create a diagram with one entity set, P erson, with one identifying attribute, Name. For the P erson…

A: An Entity is a component of data, mostly it forms table name in database. Attributes describes…

Q: Draw a State Transition Diagram (STD) of auniversity from enrollment of student to his/her pass-out.…

A: A state transition diagram is used to represent the condition of the system or part of the system at…

Q: What is the definition of "weak entity type"? Does it have a secret? Can you elucidate what…

A: A weak entity type is an entity that cannot be uniquely identified by its attributes alone, and…

Q: Draw an E-R Diagram that models an information system that keeps track of booking information for…

A: E-R diagrams are used to model the data structure of a database. An entity is a real-world object or…

Q: Choose a situation from the real world that has at least three sets of Venn diagrams. Explain why a…

A: An actual-world illustration of a Venn diagram with at least three sets. For this instance, a Venn…

Q: DRAW ER diagram for the Scenar In a college, STAFF is identified by StaffName (that consists of Fnam…

A: The entity of ER diagram is Staff Course Book The relationship between course and book is many to…

Q: Produce a Class Diagram and a Use case diagram for the State Patrol case.  You should list…

A: Solution:--   1)Given in the question is to give the Class diagram and Use Case diagram     for the…

Q: Consider the following scenario: you've been tasked with developing a logical model of a school or…

A: Introduction: Justification: A top-down or bottom-up approach is preferable to build a logical model…

Q: I have a HW that is asking me to draw on ERD diagram for a simple purchasing system that has order…

A: ERD diagram for Purchasing System:The ERD diagram for the simple purchasing system is as follows:

Q: Choose a real-world issue with at least three sets of Venn diagrams. Describe why a Venn diagram is…

A: Venn diagrams are effective tools for visually describing intricate relationships and…

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: It is requested to draw an entity relationship diagram (ERD) for a real estate agency management…

A: The ER diagram requires following things-  It has 6 main entities connected via 5 relationship .IS A…

Q: 1. What is the purpose of activity diagram? Give a situation where you should use the forking…

A: Note:- In the BNED Guidance, only the first question can be answered at a time. Resend the question…

Q: onship (ER) Modeling that people may forget about ( i am not talking about the main function or…

A: Q.   what can be very interesting about the Entity-Relationship (ER) Modeling that people may…

Q: crowsfoot diagram

A: ANSWER: Crows Foot: Crows foot diagrams address elements as boxes, and connections as lines between…

Q: BlueTech Digital Solutions Ltd is considering registering a domain name with KENIC, one of the…

A: A business name is like on-line land. It's wherever your whole conducts business, drives potential…

Q: Q1. Draw an E-R Diagram for the following situation. At the university system each STUDENT must be…

A: Answer The given image shows an Entity Relationship Diagram for the given case study:

Q: Most activities in a network diagram have a finish-finish relationship.     True   False

A: the above statement is an true

Q: Storage Unit PK StorageUnitID UnitSize Price StorageUnitCustomer PK/FK Storage UnitID PK/FK…

A: Answer: We have drawn the ER-Diagram for the following given information

Q: What does the weak entity type really mean? What's the secret? Give an instance What does…

A: Entity-Relationship Diagrams (ERDs) are crucial in database design for modeling relationships…

Q: Design a class named Complex for representing complex numbers with the methods add, subtract,…

A: public class Complex implements Cloneable { private double a; private double b; public…

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.