INTRODUCTION
An information system is any combination of information technology and people 's activities using that technology to support operations, management, and decision-making. In a very broad sense, the term information system is frequently used to refer to the interaction between people, algorithmic processes, data and technology. In this sense, the term is used to refer not only to the information and communication technology an organization uses, but also to the way in which people interact with this technology in support of business processes. Cited in http://en.wikipedia.org/wiki/Information_system, (October 07, 2011). A database is a collection of information organ ized to provide efficient retrieval. The collected information could be in any number of formats (electronic, printed, graphic, audio, statistical, combinations). There are physical (paper/print) and electronic databases. A database could be as simple as an alphabetical arrangement of names in an address book or as complex as a database that provides information in a combination of formats. Downloaded from http://www.usg.edu/galileo/skills/unit04/primer04_01.phtml, (October 07, 2011). The Systems Development Life Cycle (SDLC) is the process of creating or altering systems, and the models and methodologies
Cited: in http://www.dbnetsolutions.co.uk/Articles/BenefitsOfWebBasedApplications.aspx (October 07, 2011).