The Relational Database Model
Talk about the relational models basic component: relations
That relations are logical constructs composed of rows (tuples) and columns
That relations are implemented as tables in a rel
PHP Chapter 4
Exercise : Shopping
shopIndex.php creates out Index page:
Starting a Session:
Add an Item based on three values : Name, Price and Quantity
PHP_SELF is an element of $_SERVER autoglobal
- contains the current
Running head: JUNK FOOD AND SNACKS
America, the land of plenty, has always experienced an abundance of resources, but has
this tradition of excess become our downfall? Its easy to see that people in the United States
are getting larger. Childhood obesity
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Critical Essay: Having Cell Phones in Elementary School Todays new generation is
referred to as the iGeneration because of such technologies as the iPhone, iPad, iTouch,
and so forth (Rosen 8). As recently as the past decade, schools have had
1. The song was written by Jim Peterik and Frankie Sullivan in 1985 and the song was
performed by the band Survivor.
2. The tone of the song is very upbeat and invokes a feeling of excitement or a sense of
excitement for what is to come.
The Impact of Violent Games on Children
Video games have been in the market for more than 30 years1. They are a form of
entertainment, but each game is unique. In contrast to watching a movie, video games encourage a
player to be an active participant. Wi
An Expository Essay: Giving Children Chores at Home
As children grow and develop, they form many lifelong habits. In addition, they develop
a number of skills, both socially and cognitively. They learn at school and they learn in play.
They also learn at
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What is Fashion for Modern Teenagers?
Teenagers are youths who fall within the age group of between thirteen and nineteen
years. This is the adolescent stage of a growing adult. Adolescence comes with its share of
hurdles and joys. This is bec
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Hollywood to Bollywood: What makes a movie good?
In the past decade, the price of going to the movies has skyrocketed! At the close of
2012, average ticket prices had topped $8 a person (Lieberman). Unfortunately, this average is
PHP Data Objects
PDOis an acronym forPHP Data Objects, provides a more powerful API.
PDOis a lightweight, consistent way to access databases.
This means developers can write portable code much easier.
It provides a data-access la
Study how to use functions to organize your PHP code.
Learn about variable scope.
Make decisions using if, if . . . else, and switch statements
Repeatedly execute code us
Handling User Input
Learn about auto-global variables
Build XHTML Web forms
Process form data
Handle submitted form data
Create an All-in-One form
Display dynamic data based on a URL token
Auto - globa
Normalization of Database Tables
What normalization is and what role it plays in the
database design process
About the normal forms 1NF, 2NF, 3NF, BCNF,
How normal forms can be transformed from lower
normal forms to higher
Review data modeling and why data models are important
Review the basic data-modeling building blocks
Discuss what business rules are and how they influence database design
Learn how the major data models evolved
Review alternative data
Value of Life
Deontological moral theory is a Non-Consequentialist moral theory. While consequentialists
believe the ends always justify the means, deontologists assert that the rightness of an action is not
simply dependent on maximizing the good, if tha
1. A. I would create three tables. The Painter table, the Gallery table, and the Painting table.
The table components for the Painter table would be Painter_Num, Painter_LName,
Painter_FName, and Painter_Initial. The table components for the Gallery table
Determination is the state in which knowing the value of one attribute makes it possible to determine
the value of another.
Primary Key(PK) an identifier composed of one or more attributes that uniquely identifies a row.
Distributive justice is the economic framework that each society has; the structure of the
framework is the different laws, institutions, and policies. These frameworks are very important,
because the economic distributions resulting from them essentially
Chapter 1 Notes:
IMF - International Monetary Fund
World Bank - the World Bank is a vital source of financial and technical assistance to developing
countries around the world
Globalization - The process by which businesses or other organizations develop
Construct text strings.
Work with single strings.
Work with multiple strings and parse strings.
Use regular expressions.
String is one of the
Advantages and Disadvantages of Lowering the Voting Age to Thirteen
In most nations, the minimum voting age is set at eighteen years (Grover 2011, p. 3). In
the past, the minimum age to vote was twenty one years, but after several debates, this was
1.1 The three basic purposes of business messages are to inform, to request or persuade, and to
build goodwill. The reason for the three purposes are to explain a new topic, urge action
amongst the audience, and pre
Questions for Comprehension
2.1 The five kinds of audiences are the primary audience, the secondary audience, the initial
audience, a gatekeeper, and a watchdog audience.
2.2 Some ways to analyze your audience are identifyin
How many records does the file contain? How many fields are there per record?
What problem would you encounter if you wanted to produce a listing by city? How
would you solve this problem by altering the file structure?
If you wanted to
It got to the point where we had so many customers in Illinois that we had to divide the state up into geographical
regions. We have over 100 customers in the Chicago Loop region alone (thats Region 1), but some downs
1. Write the SQL command to change the movie year for movie number 1245 to 2010.
SET MOVIE_YEAR = '2010'
WHERE MOVIE_NUM = '1245';
2. Write the SQL command to change the price code for all Action movies to price code 3.
Volunteer: Stores volunteer related information, whatever tasks are assigned to a volunteer can
be fetched from subtasks table below. One volunteer can be associated to multiple subtasks of
Task: It stores tasks assigned to volunteers. For