Starting Out with C++: Early Objects (9th Edition)
9th Edition
ISBN: 9780134400242
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Textbook Question
Chapter 2.15, Problem 2.25CP
Is the following assignment statement valid or invalid? If it is invalid, why?
72 = amount;
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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…
Q4: 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…
ut
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 الحل
Chapter 2 Solutions
Starting Out with C++: Early Objects (9th Edition)
Ch. 2.1 - The following C++ program will not compile because...Ch. 2.1 - On paper, write a program that will display your...Ch. 2.3 - Prob. 2.3CPCh. 2.3 - What output will the following lines of code...Ch. 2.3 - On paper, write a program that will display your...Ch. 2.5 - Which of the following are legal C++ assignment...Ch. 2.5 - List all the variables and literals that appear...Ch. 2.5 - When the above main function runs, what will...Ch. 2.5 - When the following main function runs, what will...Ch. 2.7 - Which of the following are illegal C++ variable...
Ch. 2.7 - Prob. 2.11CPCh. 2.7 - Prob. 2.12CPCh. 2.7 - Prob. 2.13CPCh. 2.7 - How would you combine the following variable...Ch. 2.7 - How would you combine the following variable...Ch. 2.8 - Prob. 2.16CPCh. 2.8 - What will the following code display? int number;...Ch. 2.8 - Prob. 2.18CPCh. 2.10 - Prob. 2.19CPCh. 2.10 - Which of the following is a character literal? 'B'...Ch. 2.10 - Prob. 2.21CPCh. 2.10 - What is wrong with the following program...Ch. 2.10 - Prob. 2.23CPCh. 2.10 - Write a program that stores your name, address,...Ch. 2.15 - Is the following assignment statement valid or...Ch. 2.15 - What is wrong with the following program? How...Ch. 2.15 - What will be assigned to x in each of the...Ch. 2.15 - Prob. 2.28CPCh. 2 - Every complete statement ends with a _____.Ch. 2 - To use cout statements you must include the _____...Ch. 2 - Every C++ program must have a function named...Ch. 2 - Prob. 4RQECh. 2 - A group of statements, such as the body of a...Ch. 2 - 'A', and "Hello World" are all examples of _____.Ch. 2 - 978.65 1012 would be written in E notation as...Ch. 2 - Prob. 8RQECh. 2 - Indicate if each of the following assignment...Ch. 2 - If the variables letter and w have been defined as...Ch. 2 - Indicate if each of the following cout statements...Ch. 2 - Indicate if each of the following cout statements...Ch. 2 - Assume integers x = 4, y = 7, and z = 2. What...Ch. 2 - Assume double variables x = 2.5, y = 7.0, and z =...Ch. 2 - Write a C++ statement that defines the double...Ch. 2 - Write a C++ statement that defines the int...Ch. 2 - Write assignment statements that perform the...Ch. 2 - Write assignment statements that perform the...Ch. 2 - Modify the following program segment so it prints...Ch. 2 - Rewrite the follow statement to use the newline...Ch. 2 - Create detailed pseudocode for a program that...Ch. 2 - Prob. 22RQECh. 2 - Prob. 23RQECh. 2 - Create detailed pseudocode for a program that...Ch. 2 - What will the following programs print on the...Ch. 2 - A) #include iostream using namespace std; int main...Ch. 2 - The following program contains many syntax errors....Ch. 2 - Soft Skills Programmers need good communication...Ch. 2 - Sum of Two Numbers Write a program that stores the...Ch. 2 - Sales Prediction The East Coast sales division of...Ch. 2 - Sales Tax Write a program that computes the total...Ch. 2 - Restaurant Bill Write a program that computes the...Ch. 2 - Miles per Gallon A car holds 16 gallons of...Ch. 2 - Distance per Tank of Gas A car with a 20 gallon...Ch. 2 - Number of Acres One acre of land is equivalent to...Ch. 2 - Land Calculation In the United States, land is...Ch. 2 - Circuit Board Price An electronics company makes...Ch. 2 - Prob. 10PCCh. 2 - Triangle Pattern Write a program that displays the...Ch. 2 - Diamond Pattern Write a program that displays the...Ch. 2 - Pay Period Gross Pay A particular employee earns...Ch. 2 - Basketball Player Height The star player of a high...Ch. 2 - Stock Loss Kathryn bought 750 shares of stock at a...Ch. 2 - Energy Drink Consumption A soft drink company...Ch. 2 - Past Ocean Levels The Earths ocean levels have...Ch. 2 - Future Ocean Levels During the past decade ocean...Ch. 2 - Annual High Temperatures The average July high...Ch. 2 - How Much Paint A particular brand of paint covers...
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