Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 11, Problem 23P
Problems 22–24 are based on the following query:
SELECT | P_CODE, P_DESCRIPT, P_PRICE, P.V_CODE, V_STATE |
FROM | PRODUCT P, VENDOR V |
WHERE | P.V_CODE = V.V_CODE |
AND V_STATE = 'NY' | |
AND V_AREACODE = '212' | |
ORDER BY | P_PRICE; |
Write the commands required to create the indexes you recommended in Problem 22.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
The following is code for a disc golf program written in C++:
player.h:
#ifndef PLAYER_H
#define PLAYER_H
#include <string>
#include <iostream>
class Player {
private:
std::string courses[20]; // Array of course names
int scores[20]; // Array of scores
int gameCount; // Number of games played
public:
Player(); // Constructor
void CheckGame(const std::string& courseName, int gameScore);
void ReportPlayer(int playerId) const;
};
#endif // PLAYER_H
player.cpp:
#include "player.h"
#include <iomanip>
Player::Player() : gameCount(0) {}
void Player::CheckGame(const std::string& courseName, int gameScore) {
for (int i = 0; i < gameCount; ++i) {
if (courses[i] == courseName) {
// If course has been played, check for minimum score
if (gameScore < scores[i]) {
scores[i] = gameScore; // Update to new minimum score
}
return; // Exit after…
What is the cyclomatic complexity of the diagram below, and how did you find it?
Write the following code segment in MARIE’s assembly language:if X <= Y thenY = Y - 1;else if X != Zthen Y = Y + 1;else Z = Z - 1
Chapter 11 Solutions
Database Systems: Design, Implementation, & Management
Ch. 11 - Prob. 1RQCh. 11 - What index should you create? Write the required...Ch. 11 - What is the focus of most performance-tuning...Ch. 11 - What are database statistics, and why are they...Ch. 11 - How are database statistics obtained?Ch. 11 - What database statistics measurements are typical...Ch. 11 - How is the processing of SQL DDL statements (such...Ch. 11 - In simple terms, the DBMS processes a query in...Ch. 11 - If indexes are so important, why not index every...Ch. 11 - What is the difference between a rule-based...
Ch. 11 - Prob. 11RQCh. 11 - What are some general guidelines for creating and...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Prob. 15RQCh. 11 - SELECT EMP_LNAME, EMP_FNAME, EMP_AREACODE, EMP_SEX...Ch. 11 - Problem 1 and 2 are based on the following query:...Ch. 11 - Using Table 11.4 as an example, create two...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Problems 46 are based on the following query:...Ch. 11 - Prob. 6PCh. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 732 are based on the ER model shown in...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 1114 are based on the following query:...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 15 and 16 are based on the following...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Problems 1721 are based on the following query:...Ch. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Problems 1721 are based on the following query:...Ch. 11 - SELECT P_CODE, P_DESCRIPT, P_PRICE, P.V_CODE,...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 2224 are based on the following query:...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Problems 25 and 26 are based on the following...Ch. 11 - Prob. 27PCh. 11 - Problems 27 and 28 are based on the following...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...Ch. 11 - Problems 2932 are based on the following query:...
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
- A browser’s cache and cookies are used to? a. Keep your identity safe online b. Store information about a site for faster load times c. Act as an online file directory for websites d. Translate webpages from one language to another Which of these passwords meets the most complexity requirements? a. password1 b. Opensaysme c. EzP@ss35! d. PaSsWoRd45 Which of the below is a browser version number? a. Chrome 81.0.4044.129 b. IE Desk 7 c. Firefox iPad d. Google Chrome One Which one of these is an Excel file type? a. .csv b. .docx c. .html d. Python Select the best option for each of the following scenarios. Please use each selection only once. If I needed to communicate to everyone in my company at once, I would go to: __ If I were readying an important presentation, I would go to: __ If I were writing an essay I would go to: __ If I were looking at a lot of data I would go to: __ a. Powerpoint b. Outlook c. Word d. Excel An outdated browser can cause any of the following…arrow_forwarddigital image processing By finding the necessary coding for the symbols according to the given symbol probability table, calculate code symbol for "001000011010000010110011". Note that in the initial state, the probability of 0,55 is expressed as 0 and the probability of 0,45 is 1.What is the last symbol of the result from the Huffman coding?A) a4 B) a6 C)a1 D) a3arrow_forwarddigital image processingWhat is the number of dark small square in set B after (B ⊕X)?a) 29b) 32c) 35d) Otherarrow_forward
- digital image processingWhat is the number of dark small square in set A after (A θ Y)?a) 26b) 24c) 22d) Otherarrow_forwarddigital image processingWhat is the number of dark small square in set A after (A θ X)? a) 22b) 24c) 20d) Otherarrow_forwarddigital image processing By finding the necessary coding for the symbols according to the given symbol probability table, calculate code symbol for "001000011010000010110011". Note that in the initial state, the probability of 0,55 is expressed as 0 and the probability of 0,45 is 1.What is the first symbol of the result from the Huffman coding?A)=a6 B)=a3 C)=a1 D)=a2arrow_forward
- digital image processing(Using the transformation function shown in the figure below, apply contrast stretching for following input image A[2*2]. Where L=256.Find the output image B [2*2].)create output ımage C accordıng to the last three (3) least signifcantbits by bit plane slicing on image Aplease step by explaningarrow_forwardGiven a 16-bit word of 1011011001101001 read from memory, and assuming the original check bits were 10101, apply the Hamming error correction code to: a)Find the new check b)Calculate the syndrome c)Determine whether there is an error in the received word, and if so, correct it to find the original word stored in memoryarrow_forwardThis is a question that I have and would like someone who has experiences with scene graphs and entity component systems to answer.For context, I am currently implementing a game engine and currently I am debating on our current design.Our current design is we have a singular game component class that every component inherits from. Where we have components like SpriteRendererComponent, Mehs Component, etc. They inherit from this GameComponent class. The point of this is being able to have O(1) access to the scene to being able to modify components to attach more components with the idea of accessing those components to specific scene objects in a scene.Now, my question is what kinds of caveauts can this cause in terms of cache coherence? I am well aware that yes its O(1) and that is great but cache coherence is going to be really bad, but would like to know more explicit details and real-life examples such as write in RAM examples on how this is bad. A follow-up question that is part…arrow_forward
- Q4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) (10 Marks) I want a detailed explanation to understand the mechanism how it is Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less…arrow_forwardQ4: Consider the following MAILORDER relational schema describing the data for a mail order company. (Choose five only). (10 Marks) PARTS(Pno, Pname, Qoh, Price, Olevel) CUSTOMERS(Cno, Cname, Street, Zip, Phone) EMPLOYEES(Eno, Ename, Zip, Hdate) ZIP CODES(Zip, City) ORDERS(Ono, Cno, Eno, Received, Shipped) ODETAILS(Ono, Pno, Qty) Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and execute the following queries using the RA interpreter on the MAILORDER database schema. a. Retrieve the names of parts that cost less than $20.00. b. Retrieve the names and cities of employees who have taken orders for parts costing more than $50.00. c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code. d. Retrieve the names of customers who have ordered parts from employees living in Wichita. e. Retrieve the names of customers who have ordered parts costing less than$20.00. f. Retrieve the names of customers who have not placed…arrow_forwardut da Q4: Consider the LIBRARY relational database schema shown in Figure below a. Edit Author_name to new variable name where previous surname was 'Al - Wazny'. Update book_Authors set Author_name = 'alsaadi' where Author_name = 'Al - Wazny' b. Change data type of Phone to string instead of numbers. عرفنه شنو الحل BOOK Book id Title Publisher_name BOOK AUTHORS Book id Author_name PUBLISHER Name Address Phone e u al b are rage c. Add two Publishers Company existed in UK. insert into publisher(name, address, phone) value('ali','uk',78547889), ('karrar', 'uk', 78547889) d. Remove all books author when author name contains second character 'D' and ending by character 'i'. es inf rmar nce 1 tic عرفته شنو الحل e. Add one book as variables data? عرفته شنو الحلarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningDatabase 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
- A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher: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
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
SQL Basics for Beginners | Learn SQL | SQL Tutorial for Beginners | Edureka; Author: edureka;https://www.youtube.com/watch?v=zbMHLJ0dY4w;License: Standard YouTube License, CC-BY