Starting out with Visual C# (4th Edition)
4th Edition
ISBN: 9780134382609
Author: Tony Gaddis
Publisher: PEARSON
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Textbook Question
Chapter 11.1, Problem 11.2CP
Why do most businesses use a DBMS to store their data instead of creating their own text files to hold the data?
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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 11 Solutions
Starting out with Visual C# (4th Edition)
Ch. 11.1 - Prob. 11.1CPCh. 11.1 - Why do most businesses use a DBMS to store their...Ch. 11.1 - When developing a C# application that uses a DBMS...Ch. 11.2 - Prob. 11.4CPCh. 11.2 - Prob. 11.5CPCh. 11.2 - What is the purpose of a primary key?Ch. 11.2 - Prob. 11.7CPCh. 11.2 - If a particular column is not allowed to be null,...Ch. 11.3 - List each of the .NET components that allow an...Ch. 11.3 - Prob. 11.10CP
Ch. 11.3 - What component is used to connect interface...Ch. 11.4 - Prob. 11.12CPCh. 11.4 - List the components that are automatically created...Ch. 11.4 - Prob. 11.14CPCh. 11.4 - What kind of information is displayed in the Data...Ch. 11.5 - How can you create a form that shows the columns...Ch. 11.5 - Prob. 11.17CPCh. 11.5 - Prob. 11.18CPCh. 11.6 - Prob. 11.19CPCh. 11.6 - When you create a Details view, what determines...Ch. 11.6 - Prob. 11.21CPCh. 11.6 - Prob. 11.22CPCh. 11.7 - In SQL, what is the purpose of the Select...Ch. 11.7 - What are the instructions for the DBMS to carry...Ch. 11.7 - How are the relational operators used in SQL...Ch. 11.7 - Prob. 11.26CPCh. 11.7 - Prob. 11.27CPCh. 11.7 - Prob. 11.28CPCh. 11.7 - Prob. 11.29CPCh. 11.7 - In an SQL statement, with what symbol does a query...Ch. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - A __________ holds a collection of related data...Ch. 11 - A __________ is a complete set of information...Ch. 11 - A(n) __________ holds an individual piece of...Ch. 11 - A __________ is a unique column value that can be...Ch. 11 - A(n) __________ is a column that contains unique...Ch. 11 - A __________ is a source of data with which the...Ch. 11 - A __________ connects to a data source and can...Ch. 11 - Prob. 10MCCh. 11 - A __________ is a component that can connect user...Ch. 11 - Prob. 12MCCh. 11 - A __________ can display an entire database table...Ch. 11 - A __________ is a set of individual controls that...Ch. 11 - Prob. 15MCCh. 11 - Prob. 16MCCh. 11 - Prob. 17MCCh. 11 - Prob. 18MCCh. 11 - __________, which stands for __________, is a...Ch. 11 - __________ are instructions for the DBMS to carry...Ch. 11 - In SQL, you use the __________ to retrieve the...Ch. 11 - A(n) __________ is an SQL statement that is stored...Ch. 11 - The __________ describes the contents of a...Ch. 11 - Prob. 1TFCh. 11 - The DBMS works directly with the data and sends...Ch. 11 - The data that is stored in a database is organized...Ch. 11 - Each column in a table must have a name.Ch. 11 - When you create a database table, the data types...Ch. 11 - When working with the data in a database table,...Ch. 11 - If a column in a database table contains no data,...Ch. 11 - An application works directly with a database,...Ch. 11 - Rather than showing multiple rows at once, a...Ch. 11 - Prob. 10TFCh. 11 - String comparisons in SQL are case sensitive.Ch. 11 - Prob. 1SACh. 11 - Briefly describe the layered nature of an...Ch. 11 - What is the data that is stored in a row of a...Ch. 11 - Are the data types used when creating a database...Ch. 11 - How do you create a primary key for a table with...Ch. 11 - Prob. 6SACh. 11 - Instead of working with the database directly,...Ch. 11 - What control can be used to display an entire...Ch. 11 - Prob. 9SACh. 11 - In SQL, what statement do you use to retrieve...Ch. 11 - Prob. 11SACh. 11 - Prob. 1AWCh. 11 - Write a Select statement that returns all the...Ch. 11 - Write a Select statement that returns only the...Ch. 11 - Write a Select statement that returns the...Ch. 11 - Write a Select statement that returns the...Ch. 11 - Write a Select statement that returns all the...Ch. 11 - Write a Select statement that returns the...Ch. 11 - Write a Select statement that returns the...Ch. 11 - Personnel Database Use Visual Studio to create a...
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