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Students

For the last 8 years I have been lecturing to community college students at the H. Lavity Stoutt Community College. Although my area of expertise is databases and web design, I also lecture in the areas of computer networking and Java programming.

This area of my website is dedicated to my students. From here they can view and print handouts from classes that they may have missed or lost the handouts to. There is also an area where I publish papers that I write from time on issues pertinent to the field and of use to students.

 

Databases

As we have seen in previous lectures, a computer can be seen as a data or information processor, because raw data is input and information is output. The raw data that is input is usually meaningless in itself, but after processing it becomes information (processed data), and has value.

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Components of a Database Management System

There are three main components of a database management system (from David M Kroenke):

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Subnetting

A subnet is a physical segment of a TCP/IP network that uses IP addresses derived from a single Network ID. Large networks are typically divided into several subnets for ease of management and sometimes because of physical limitations. Each segment of the network, or subnet, would use a different Network ID or Subnet ID.

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