Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
bartleby

Concept explainers

Expert Solution & Answer
Book Icon
Chapter 1, Problem 7HOA

Explanation of Solution

  Entity Relationship model

  • An entity-relationship model describes interrelated things of interest in a specific domain of knowledge.
  • It is composed of entity types and specifie...

Blurred answer
Students have asked these similar questions
A Fitness Company offers a number of exercise classes for its members. A member can participate in several exercise classes or none at all. Each exercise class has one employee assigned as its instructor. Each instructor teaches at least one class and may teach several classes. Each exercise is taught in a specific room, on a specified date and time.
Modern School of higher education has around 2000 students and three departments. The students belong to various departments in the school. Every department has a Head of Department along with teachers. The head of department manages his departmental teachers and the students belonging to his department. The head of department also teaches the students. All the head of departments report to the Principal of the school. The Principal manages the departments and also teaches the students. Handling the administrative staff of the school is also the responsibility of the Principal. Every individual, except the students, are the employees of the school Identify the entity Identify the entity Identify the entity’s attribute Identify the primary and foreign Keys Identify relationship between Entities Identify the Cardinality constraints Draw ERD
Object orentied Programming Sports World is an Events Management Company that organizes the running of major sporting games, such as the Olympic Games.   Before being used to host a sporting event, venues are assessed by an Administrator who checks that they are fit for purpose. If the venue can hold more than 10,000 people, the Administrator conducts additional health and safety checks to ensure that the venue is safe.   A year before the games begin, a Team of Staff is appointed to run the day-to-day operations, including booking successfully assessed/safety-checked venues. Six months before the games begin, the Team of Staff produce a Program that lists the date, time and location of each sporting event. At this point, Athletes can register for an event by giving their name, address, date of birth and best time for their event. Some overseas athletes need to apply for a visa and the system needs to record whether they were successful.   A week before the games begin, a Team of Staff…
Knowledge Booster
Background pattern image
Computer Science
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Oracle 12c: SQL
Computer Science
ISBN:9781305251038
Author:Joan Casteel
Publisher:Cengage Learning
Text book image
Operations Research : Applications and Algorithms
Computer Science
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Brooks Cole