DATABASE CONCEPTS+MYITLAB
18th Edition
ISBN: 9780134821245
Author: KROENKE
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 2, Problem 2.14RQ
Describe four uses of a primary key.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Write the SQL code that permits to implement the tables: Student and Transcript. NB: Add the constraints on the attributes – keys and other.
Draw an ERD that will involve the entity types: Professor, Student, Department and Course. Be sure to add relationship types, key attributes, attributes and multiplicity on the ERD.
Draw an ERD that represents a book in a library system. Be sure to add relationship types, key attributes, attributes and multiplicity on the ERD.
Chapter 2 Solutions
DATABASE CONCEPTS+MYITLAB
Ch. 2 - Prob. 2.1RQCh. 2 - Define the term entity, and give an example of an...Ch. 2 - Prob. 2.3RQCh. 2 - Prob. 2.4RQCh. 2 - Prob. 2.5RQCh. 2 - Prob. 2.6RQCh. 2 - Prob. 2.7RQCh. 2 - Prob. 2.8RQCh. 2 - Prob. 2.9RQCh. 2 - Define the term unique key and give an example.
Ch. 2 - Prob. 2.11RQCh. 2 - Prob. 2.12RQCh. 2 - Define the terms candidate key and primary key....Ch. 2 - Describe four uses of a primary key.Ch. 2 - Prob. 2.15RQCh. 2 - Prob. 2.16RQCh. 2 - Prob. 2.17RQCh. 2 - Explain the term foreign key, and give an example.Ch. 2 - Prob. 2.19RQCh. 2 - Prob. 2.20RQCh. 2 - Explain three possible interpretations of a null...Ch. 2 - Give an example of a null value (other than one...Ch. 2 - Prob. 2.23RQCh. 2 - Prob. 2.24RQCh. 2 - Prob. 2.25RQCh. 2 - Prob. 2.26RQCh. 2 - Prob. 2.27RQCh. 2 - Define the term primary key in terms of functional...Ch. 2 - Prob. 2.31RQCh. 2 - Examine the data in the Veterinary Office...Ch. 2 - Prob. 2.33RQCh. 2 - Describe a modification problem that occurs when...Ch. 2 - Prob. 2.35RQCh. 2 - Prob. 2.36RQCh. 2 - Prob. 2.37RQCh. 2 - Apply the normalization process to the Veterinary...Ch. 2 - Prob. 2.39ECh. 2 - Apply the normalization process to the Veterinary...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
While researching fluid dynamics, you come across a reference to the dimensionless number called the Laplace nu...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Describe the three types of anomalies that can arise in a table and the negative consequences of each.
Modern Database Management
What is the ideal sequence for pressure application during resistance welding?
Degarmo's Materials And Processes In Manufacturing
When displaying a Java applet, the browser invokes the _____ to interpret the bytecode into the appropriate mac...
Web Development and Design Foundations with HTML5 (8th Edition)
Static member variables are defined _____ the class.
Starting Out with C++: Early Objects (9th Edition)
Porter’s competitive forces model: The model is used to provide a general view about the firms, the competitors...
Management Information Systems: Managing The Digital Firm (16th Edition)
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
- 2:21 m Ο 21% AlmaNet WE ARE HIRING Experienced Freshers Salesforce Platform Developer APPLY NOW SEND YOUR CV: Email: hr.almanet@gmail.com Contact: +91 6264643660 Visit: www.almanet.in Locations: India, USA, UK, Vietnam (Remote & Hybrid Options Available)arrow_forwardProvide a detailed explanation of the architecture on the diagramarrow_forwardhello please explain the architecture in the diagram below. thanks youarrow_forward
- Complete the JavaScript function addPixels () to calculate the sum of pixelAmount and the given element's cssProperty value, and return the new "px" value. Ex: If helloElem's width is 150px, then calling addPixels (hello Elem, "width", 50) should return 150px + 50px = "200px". SHOW EXPECTED HTML JavaScript 1 function addPixels (element, cssProperty, pixelAmount) { 2 3 /* Your solution goes here *1 4 } 5 6 const helloElem = document.querySelector("# helloMessage"); 7 const newVal = addPixels (helloElem, "width", 50); 8 helloElem.style.setProperty("width", newVal); [arrow_forwardSolve in MATLABarrow_forwardHello please look at the attached picture. I need an detailed explanation of the architecturearrow_forward
- Information Security Risk and Vulnerability Assessment 1- Which TCP/IP protocol is used to convert the IP address to the Mac address? Explain 2-What popular switch feature allows you to create communication boundaries between systems connected to the switch3- what types of vulnerability directly related to the programmer of the software?4- Who ensures the entity implements appropriate security controls to protect an asset? Please do not use AI and add refrencearrow_forwardFind the voltage V0 across the 4K resistor using the mesh method or nodal analysis. Note: I have already simulated it and the value it should give is -1.714Varrow_forwardResolver por superposicionarrow_forward
- Describe three (3) Multiplexing techniques common for fiber optic linksarrow_forwardCould you help me to know features of the following concepts: - commercial CA - memory integrity - WMI filterarrow_forwardBriefly describe the issues involved in using ATM technology in Local Area Networksarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage Learning
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
Enhanced Discovering Computers 2017 (Shelly Cashm...Computer ScienceISBN:9781305657458Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. CampbellPublisher:Cengage Learning
Programming with Microsoft Visual Basic 2017
Computer Science
ISBN:9781337102124
Author:Diane Zak
Publisher:Cengage Learning
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
Enhanced Discovering Computers 2017 (Shelly Cashm...
Computer Science
ISBN:9781305657458
Author:Misty E. Vermaat, Susan L. Sebok, Steven M. Freund, Mark Frydenberg, Jennifer T. Campbell
Publisher:Cengage Learning
How to Design DB Tables for any Application? (The Basics); Author: Studytonight;https://www.youtube.com/watch?v=XUdNVaSikqY;License: Standard YouTube License, CC-BY
Create a Table (Introduction to Oracle SQL); Author: Database Star;https://www.youtube.com/watch?v=BiV1IrzB1sY;License: Standard Youtube License