Tuesday, October 18, 2016

Requirement Analysis for data warehousing in E commerece

The major problems of designing a data warehouse for e-commerce environments are: 

-Handling of multimedia and semi-structured data
 - Translation of paper catalog into a Web database
- Supporting user interface at the database level (e.g., navigation, store layout, hyperlinks) 
- Schema evolution (e.g., merging two catalogs, category of products, sold-out products, new products)
 - Data evolution (e.g., changes in specification and description, naming, prices)
 - Handling meta data - Capturing navigation data within the context