Starting out with Visual C# (4th Edition)
4th Edition
ISBN: 9780134382609
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 4MC
A variable’s______ indicates the type of data that the variable will hold.
- a. name
- b. data type
- c. scope
- d. value
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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 3 Solutions
Starting out with Visual C# (4th Edition)
Ch. 3.1 - What control can be used to gather text input from...Ch. 3.1 - Prob. 3.2CPCh. 3.1 - Prob. 3.3CPCh. 3.1 - How do you clear the contents of a TextBox...Ch. 3.2 - What is the purpose of a variable?Ch. 3.2 - Give an example of a variable declaration that...Ch. 3.2 - Prob. 3.7CPCh. 3.2 - Indicate whether each of the following is a legal...Ch. 3.2 - What will be stored in the message variable after...Ch. 3.2 - Prob. 3.10CP
Ch. 3.2 - Assuming the variable greeting has not been...Ch. 3.2 - Will the following statement cause an error? Why...Ch. 3.2 - Write a single declaration statement for the...Ch. 3.3 - Prob. 3.14CPCh. 3.3 - Which of the following variable declarations will...Ch. 3.3 - Write a programming statement that will convert...Ch. 3.3 - Prob. 3.17CPCh. 3.4 - List the operands for the following math...Ch. 3.4 - Prob. 3.19CPCh. 3.4 - Prob. 3.20CPCh. 3.4 - Prob. 3.21CPCh. 3.4 - Prob. 3.22CPCh. 3.4 - Prob. 3.23CPCh. 3.4 - Rewrite the following statements using combined...Ch. 3.5 - Prob. 3.25CPCh. 3.5 - Prob. 3.26CPCh. 3.5 - Prob. 3.27CPCh. 3.5 - Prob. 3.28CPCh. 3.5 - Prob. 3.29CPCh. 3.6 - Write a programming statement that displays the...Ch. 3.6 - Prob. 3.31CPCh. 3.6 - Prob. 3.32CPCh. 3.6 - Prob. 3.33CPCh. 3.6 - Prob. 3.34CPCh. 3.7 - Prob. 3.36CPCh. 3.7 - Prob. 3.37CPCh. 3.7 - What causes the program to jump to the catch...Ch. 3.7 - Prob. 3.39CPCh. 3.7 - Prob. 3.40CPCh. 3.9 - Write a programming statement that declares a...Ch. 3.9 - Where should you place field declarations in a...Ch. 3.9 - Prob. 3.44CPCh. 3.9 - Prob. 3.45CPCh. 3.9 - Write a programming statement that declares a...Ch. 3.10 - Write a programming statement that uses the...Ch. 3.10 - What method of the Math class can he used to...Ch. 3.10 - What method of the Math class can be used to...Ch. 3.12 - Prob. 3.50CPCh. 3.12 - Prob. 3.51CPCh. 3.12 - Write a programming statement that gives the focus...Ch. 3.12 - Prob. 3.53CPCh. 3.12 - Prob. 3.54CPCh. 3.12 - Prob. 3.55CPCh. 3.12 - Prob. 3.56CPCh. 3.12 - When a GroupBox control is deleted, what happens...Ch. 3.12 - Prob. 3.58CPCh. 3.12 - Prob. 3.59CPCh. 3 - When the user types into a TextBox control, the...Ch. 3 - A_____ is a storage location in memory that is...Ch. 3 - Prob. 3MCCh. 3 - A variables______ indicates the type of data that...Ch. 3 - Fundamental types of data, such as strings,...Ch. 3 - A______ identifies a variable in the program code...Ch. 3 - A common operation performed on strings is_______,...Ch. 3 - A______ belongs to the method in which it is...Ch. 3 - Programmers use the term________ to describe the...Ch. 3 - A variables______ is the time period during which...Ch. 3 - One way to make sure that a variable has been...Ch. 3 - You can use a______ to explicitly convert a value...Ch. 3 - Prob. 13MCCh. 3 - A programmers tools for performing calculations...Ch. 3 - A_______ performs a calculation and gives a value....Ch. 3 - Prob. 16MCCh. 3 - Prob. 17MCCh. 3 - A(n)_______ is a piece of data that is passed into...Ch. 3 - A(n)________ is an unexpected error that occurs...Ch. 3 - Prob. 20MCCh. 3 - Prob. 21MCCh. 3 - Prob. 22MCCh. 3 - A_______ is a name that represents a value that...Ch. 3 - A_______ is a variable that is declared inside a...Ch. 3 - A(n)________ specifics how a class member can be...Ch. 3 - A________ is a field that cannot be changed by any...Ch. 3 - The .NET Framework provides a class named_______,...Ch. 3 - Prob. 28MCCh. 3 - The order in which controls receive the focus is...Ch. 3 - Prob. 30MCCh. 3 - Prob. 1TFCh. 3 - Prob. 2TFCh. 3 - You can declare multiple variables of different...Ch. 3 - Prob. 4TFCh. 3 - The order of operations dictates that the division...Ch. 3 - Prob. 6TFCh. 3 - When you pass the formatting string "C" or "c" to...Ch. 3 - Prob. 8TFCh. 3 - An error will occur if the compiler finds a...Ch. 3 - Prob. 10TFCh. 3 - Prob. 1SACh. 3 - What two things does a variable declaration...Ch. 3 - Give an example of a programming statement that...Ch. 3 - What is the term used for a number that is written...Ch. 3 - What are the values on the right and left of an...Ch. 3 - Name the family of methods in the .NET Framework...Ch. 3 - Prob. 8SACh. 3 - What is the purpose of a try-catch statement?Ch. 3 - Prob. 10SACh. 3 - Prob. 11SACh. 3 - Prob. 12SACh. 3 - Name Formatter Create an application that lets the...Ch. 3 - Tip, Tax, and Total Create an application that...Ch. 3 - Distance Traveled Assuming there are no accidents...Ch. 3 - Sales Tax and Total Create an application that...Ch. 3 - Celsius and Fahrenheit Temperature Converter...Ch. 3 - Body Mass Index Create an application that lets...Ch. 3 - Prob. 7PPCh. 3 - How Much Insurance? Many financial experts advise...Ch. 3 - Cookie Calories A bag of cookies holds 40 cookies....Ch. 3 - Prob. 10PPCh. 3 - Automobile Costs Create an application that lets...Ch. 3 - Paint Job Estimator A painting company has...Ch. 3 - Property Tax If you own real estate in a...Ch. 3 - Stadium Seating There are three seating categories...
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