Principles of Information Systems (MindTap Course List)
12th Edition
ISBN: 9781285867168
Author: Ralph Stair, George Reynolds
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Expert Solution & Answer
Chapter 5, Problem 3RQ
Explanation of Solution
Primary key:
- In relational databases, a primary key is a key that is used for identifying and defining the characteristics uniquely of each row.
- A primary key may have a single attribute or a multiple attributes.
- Let us consider the “Student” table that consists of “Student_No”, “F_Name”, “L_Name”, and “Course_ID” as attributes...
Explanation of Solution
Identifying primary key in airline reservation systems:
Field named “flight ID” and “Seat ID” could be assigned as ...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A candidate key is a characteristic that is included in a composite primary key.
Which non-key attribute does the main key relate to, if any, based on the value of some other non-key property?
Q1:
Chapter 5 Solutions
Principles of Information Systems (MindTap Course List)
Ch. 5.6 - Prob. 1DQCh. 5.6 - Prob. 2DQCh. 5.6 - Prob. 1CTQCh. 5.6 - Prob. 2CTQCh. 5.7 - Prob. 1DQCh. 5.7 - Prob. 2DQCh. 5.7 - Prob. 1CTQCh. 5.7 - Prob. 2CTQCh. 5 - Prob. 1SATCh. 5 - Prob. 2SAT
Ch. 5 - Prob. 3SATCh. 5 - Prob. 4SATCh. 5 - Prob. 5SATCh. 5 - Prob. 6SATCh. 5 - Prob. 7SATCh. 5 - Prob. 8SATCh. 5 - ______ is a special-purpose programming language...Ch. 5 - Prob. 10SATCh. 5 - Prob. 11SATCh. 5 - Prob. 12SATCh. 5 - Prob. 13SATCh. 5 - Prob. 14SATCh. 5 - An in-memory database (IMDB) is a database...Ch. 5 - Prob. 16SATCh. 5 - Prob. 17SATCh. 5 - Prob. 18SATCh. 5 - Prob. 19SATCh. 5 - Prob. 20SATCh. 5 - Prob. 1RQCh. 5 - What is the difference between a data attribute...Ch. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - What is data mining? What is OLAP? How are they...Ch. 5 - Prob. 20RQCh. 5 - Prob. 21RQCh. 5 - Prob. 1DQCh. 5 - Outline some specific steps an organization might...Ch. 5 - Briefly describe the ACID properties to which an...Ch. 5 - Prob. 4DQCh. 5 - Prob. 5DQCh. 5 - Prob. 6DQCh. 5 - Prob. 7DQCh. 5 - Prob. 8DQCh. 5 - Prob. 9DQCh. 5 - Prob. 10DQCh. 5 - Prob. 11DQCh. 5 - Prob. 12DQCh. 5 - Prob. 13DQCh. 5 - Prob. 1PSECh. 5 - An online video movie rental store is using a...Ch. 5 - Using a graphics program, develop an...Ch. 5 - Prob. 1WECh. 5 - Prob. 1CECh. 5 - Prob. 2CECh. 5 - Prob. 1DQ1Ch. 5 - Prob. 2DQ1Ch. 5 - Prob. 1CTQ1Ch. 5 - Prob. 2CTQ1Ch. 5 - Prob. 1DQ2Ch. 5 - Prob. 2DQ2Ch. 5 - Prob. 1CTQ2Ch. 5 - Prob. 2CTQ2Ch. 5 - Prob. 1DQ3Ch. 5 - Prob. 2DQ3Ch. 5 - Prob. 1CTQ3Ch. 5 - Prob. 2CTQ3
Knowledge Booster
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
- Each publisher has a unique name; a mailing address and telephone number are also kept on eachpublisher. A publisher publishes one or more books; a book is published by exactly one publisher. Abook is identified by its ISBN, and other attributes are title, price, and number of pages. Each book iswritten by one or more authors; an author writes one or more books, potentially for differentpublishers. Each author is uniquely described by an author ID, and we know each author's name andaddress. Each author is paid a certain royalty rate on each book he or she authors, which potentiallyvaries for each book and for each author. An author receives a separate royalty check for each book heor she writes. Each check is identified by its check number, and we also keep track of the date andamount of each check.TasksDesign a SQL database using the above US superstore sales data set.1.Use Visual Paradigm to draw conceptual diagram2.Use Visual Paradigm todraw ERDarrow_forwardDatabase Programmingarrow_forwardCandidate Key is a key that may have many duplicates may be absent may be a foreign key contain only unique values and fully defines all other attributes in a rowarrow_forward
- One of the properties of an IA composite primary key has a candidate key. What response would you have to this information?arrow_forwardThe relational schema shown below is part of a hospital database. The primary keys are highlighted in bold. Patient (patientNo, patName, patAddr, DOB)Ward (wardNo, wardName, wardType, noOfBeds)Contains (patientNo, wardNo, admissionDate)Drug (drugNo, drugName, costPerUnit)Prescribed (patientNo, drugNo, unitsPerDay, startDate, finishDate) for CONTAINS nad PRESCRIBED table , which one is primary key and how to create table ?arrow_forwardExplain the role of a primary key.arrow_forward
- Access path A database table is composed of records and fields hold data. Data is stored in records. A field is a part of a record and contains a single piece of data for the subject of the record. The access path for finding the list of books is AUTHOR: AuthorID, Lname BOOKAUTHOR: AuthorID, ISBN BOOKS: Pubdate, ISBNarrow_forwardWhat three join types are included in the outer join classification?arrow_forwardDesign your application's/organization's database. You need to create the 3 tables for each of the services offered. You must provide at least 5 examples in each of the table. There must be a table in which you have prices linked to the services you are providing. THIS IS THE NAME & DESCRIPTION OF THE ORGANIZATION FOR WHICH YOU NEED TO CREATE 3 TABLES FOR EACH SERVICE PROVIDED *Name of the Organization* :: ECOHUB *Description of the Organization* :: EcoHub is a sustainability-focused organisation that seeks to encourage environmentally friendly behaviours, increase public knowledge of environmental problems, and offer solutions for people, organisations, and communities to reduce their carbon footprint and help make the world a greener place. We think that many little individual actions can have a big influence on the environment when taken together. *Services Offered by the Organization are*1. EcoConsultancy : We provide individualised eco-consultancy services to people and…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781285867168Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...Computer ScienceISBN:9781305971776Author:Ralph Stair, George ReynoldsPublisher:Cengage Learning
A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology Ptr
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781285867168
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
Principles of Information Systems (MindTap Course...
Computer Science
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Cengage Learning
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Cengage Learning