Saturday 1 September 2012

Data Warehouse Designer Views

1.Top-Down View
  • Allows the selection of relevant information necessary
  • This information matches the current and coming business needs
2.Data Source View
  • Exposes the information being captured, stored and managed by operational systems
  • This view is often modeled by traditional data modellingtechniques such as ER Model or CASE tools
3.Data Warehouse View
  • Includes fact tables and dimension tables
  • Represents precalculated totals and counts
  • Provides historical context
4.Business Query View
  • It’s the perspective of a data in the warehouse from the viewpoint of the end user

2 comments: