Database Concepts (7th Edition)
Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
bartleby

Videos

Textbook Question
Book Icon
Chapter 2, Problem 2.22RQ

Give an example of a null value (other than one from this chapter), and explain each of the three possible interpretations for that value.

Blurred answer
Students have asked these similar questions
How are nulls defined? Which field is not capable of accepting null values? How come?
Answer the given question with a proper explanation and step-by-step solution. sid name value working hours timestamp 14 temperatureΑΒΒ 47 20 11/10/22015 12:00:00 16 humidityBosch 51 200 11/11/22015 12:00:00 19 temperatureΑΒΒ 41 NULL 11/11/22015 12:00:00 20 temperatureΑΒΒ NULL 30 11/12/22015 12:00:00 Write sql statement that calculates the average temperature for the temperature sensor and it will be showed Write sql statement that will show all the fields of of the table in order not to have duplex values THE NULLS VALUES MUST BE EXCLUDED . PLEASE WRITE THE ANSWER IN PAPER
How carefully should even the easiest case be looked at?

Additional Engineering Textbook Solutions

Find more solutions based on key concepts
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
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education
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