Databases And The Web For An Integrated E Commerce...

INFO 628-– BUSINESS DATABASE SYSTEMS Research on â€Å"Databases and the web† for an integrated E-commerce Environment AGGIE HONOR CODE â€Å"An Aggie does not lie, cheat, or steal or tolerate those who do.† â€Å"On my honor, as an Aggie, I have neither given nor received unauthorized aid on this academic work.† Name:Arunachalam Ramakrishnan UIN: 519009629 1. Introduction: As discussed in my proposal, database plays a crucial role in day-to-day life by acting as a repository for all the transactions that take place in the world of internet. Electronic commerce or E-commerce as it is popularly called is increasingly becoming one of the most popular choices among the public across the globe†¦show more content†¦Some of the most crucial ones are listed below: a. Type of Data: A data could be broadly classified in to three types viz. structured data, unstructured data and semi-structured data. Structured data are those which reside in a fixed field within a record or a file such as customer’s name, address, phone number etc. Unstructured data refers to information that is not organized in a pre-defined manner. Examples of Unstructured model include images, videos, word presentations etc. It is estimated that unstructured data occupies almost 80% of all available data in organizations. Semi-structured data are those that do not have a strict data model. For example, an email contains both structured data such as sender’s name, recipient’s name and subject and also unstructured portion such as attachments and body of the letter. (http://www.webopedia.com/TERM/S/structured_data.html).In an integrated, 3-tier architecture such data are handled by XML as data traverses through various layers via an Enterprise Service Bus (E SB).Thus, choosing a database requires the type of data to be taken in to consideration . b. Data evolution: In large databases, data residing in the tables may change considerably over time .Some popular examples include