Archive for November 2008
In the previous lesson we have seen how to design the relationship-entities model for a database to be used in a del.icio.us-like web site project. Our R-E model is:Now we implement the database using...
This lesson explains how to project a typical relationships-entities model for a database to be used in our web projects. My approach is:1. Define database entities (tables)2. Identify attributes for...
Before the development of Object Oriented programming, the variables were considered as isolated entities. For example, suppose a program needs to handle data in car manufacturing company, here testing...
Are you looking for a easy way to understand technology? This videos is an usefull inspiration.Yesterday I was looking for something interseting and original to make a short video clips to explain RSS...
“We the people, in order to form a more perfect union."Two hundred and twenty one years ago, in a hall that still stands across the street, a group of men gathered and, with these simple words, launched...
There were 3 citizens living on this island country. "A" owned the land. "B" and "C" each owned 1 dollar. "B" decided to purchase the land from "A" for 1 dollar. So, "A" and "C" now each own 1 dollar...
