DATABASE SYSTEM CONCEPTS LCPO
DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
bartleby

Videos

Expert Solution & Answer
Book Icon
Chapter 16, Problem 20E

Explanation of Solution

Given:

σAv(r)

The way to use the histogram:

  • Consider the histogram that stores the distribution of values “r” and it is divided into the range from r1, r2, r3, … m.
  • If ri:high is less than “v”, then the number of tuples “H(ri)” needs to be added to the estimated total calculated for each range “ri” with low value ri:low and high value ri:low

Blurred answer
Students have asked these similar questions
I need help in explaining how I can demonstrate how the Laplace & Inverse transformations behaves in MATLAB transformation (ex: LIke in graph or something else)
You have made the Web solution with Node.js. please let me know what problems and benefits I would experience while making the Web solution here, as compared to any other Web solution you have developed in the past. what problems and benefits/things to keep in mind as someone just learning
PHP is the server-side scripting language. MySQL is used with PHP to store all the data. EXPLAIN in details how to install and run the PHP/MySQL on your computer. List the issues and challenges I may encounter while making this set-up?  why I asked: I currently have issues logging into http://localhost/phpmyadmin/ and I tried using the command prompt in administrator to reset the password but I got the error LOCALHOST PORT not found.
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.
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
Binary Numbers and Base Systems as Fast as Possible; Author: Techquikie;https://www.youtube.com/watch?v=LpuPe81bc2w;License: Standard YouTube License, CC-BY
Binary Number System; Author: Neso Academy;https://www.youtube.com/watch?v=w7ZLvYAi6pY;License: Standard Youtube License