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Monday, April 4, 2011

How to Create A Website Database?

If you ever want to create a link directory, state directory, article directory or a dating site you need to know about creating database driven web sites. This may seem like a daunting task at first, if you have never done it, however I was in the same boat as you. It is not as difficult as you think!

Requirements

MySQL - to retrieve information from a database, you first need to have a database. That's where MySQL comes in. MySQL is a relational database management system, or RDBMS. It's a software package that is very good at organizing and managing large amounts of information.
MySQL also makes that information readily accessible by using a server-side scripting language like PHP.

PHP - this is a server-side scripting language. With PHP installed, your Web server will be able to read a new file(called a "PHP script") that can retrieve information instantly from a database and insert it into a web page before send ingit to the browser that requested it. PHP is completely free to download and use.

Check with your current Web host. Make sure they have already installed MySQL and PHP on your Web server. Most web hosting companies already have it installed. If not find a web host that provides this service.

Steps to building a database driven web site:

You will be building a link directory site using a mySQL database and the WSN Links Script (a PHP script). Here's an example of the "Colorado Business Directory " Site that was built, based on following the 7 steps below:

1. Check that your web host has PHP 4.10+ (or PHP 5) and
MySQL 3+ installed on the server. 


2. To create the mySQL database on the web server: -login to the cpanel of your server ie domain name/cpanel 
with your user name and password.
-click on 'MySQL Databases' icon.
-enter database name 
-click 'add db' 
-click on 'go back' 
-under 'Users' enter user name and password for database
-click 'add user' 
-click on 'go back'
-click on 'add user to database'

You should now get the reply that your database installation was successful. 

3. Download the PHP script files to your desktop at: 
WSN links 

4. Extract files from the ZIP folder and save them to a folder on your computer. 

5. Upload all the extracted files to your hosting space 

6. Set the correct permissions for your files.

7. To complete the installation and to customize the  script, read the WSN Links manual 

You can continue to customize or edit your site online by accessing the admin panel within your web site. 

Adding, sorting, retrieving, searching data, creating new pages, links etc can now easily be accomplished.

Congratulations!..you successfully have built yourself a database driven web site. 

Part 1
Part 2
As added information, you can watch this video! Lets try it by your own!



Source Retrieved from,




OBJECT ORIENTED DATABASE

This entry in under DBMS structure which is the other data structures are primarily designed to handle structured data such as names, addresses, pay rates and so on...
  • Object Oriented Database technology at the top. As the only true federated Object Oriented Database - Objectivity or  Database unique distributed design allows for the massive scalability and zero-defects, mission-critical, super-computing performance required by global Data-Fusion, Multi-Intelligence, Bioinformatics, and Complex Industrial applications.

  • Objectivity  or database is a high performance database engine far superior to relational database management systems because it is an Object Oriented Database software library linked to the application program rather than a separate data server process. 
  • By removing the mapping layer required by all relational databases to interpret data the Object Oriented Database dramatically enhances throughput, capacity, and scalability. Objectivity or database  federated Object Oriented Database provides real time management for applications rich in complex inter-related data analysis and display.

  • As a conclusion, while an Object Oriented Database is clearly more advantageous for highly complex data management requirements Objectivity or database federated Object Oriented Database raises the bar exponentially with future forward performance capabilities and features such as parallel query engines, certified grid computing interoperability, dynamic containers, schema evolution and persistent data replication across federations of objects.



Sources Retrieved From,



Do Internet Database Mean the End of privacy ?

  • The amount of data and information about individuals is stored anywhere in the internet increase everyday. Photos, financial records, employment history, personal details, and purchase are just a few types of data and information available to others for free or for a fee.Any type of data and information placed on the internet is almost index and often copied by a vast number of search engines such as yahoo, google and bing. Older data stored on paper is scanned, digitized, indexed and stored in database available on internet.


  • Marketing companies for example, gather and sell information about consumer habits and detailed what customers want. Cell phone records can track not only a person's calls but also from where the call was made and other activities performed using the cell phone.


  • Many people find, it is almost impossible to throw away all details about themselves from any of these sources. Even, a tiny cases or wrong activities could damage someone image and reputation. Peoples already know that, once the information and data stored in the internetm, nobody can expect privacy due to pervasive and permanent nature of data and information stored on the internet.


  • In my opinion,  please not to share personal information online and to be wisely when engage in any online transactions .

Sources : Ethics & Issue, Discovering Computer Essentials 2011 Editon, Shelly Cashman Series.