Mark Rittman

1444 posts published

Dimension Hierarchy Tables and Slowly Changing Dimensions in the Oracle Business Analytics Warehouse

The blog posts I wrote earlier in the week about ragged hierarchies [https://www.rittmanmead.com/blog/2008/08/27/ragged-hierarchy-handling-in-obiee/] and bridge tables [https://www.rittmanmead.com/blog/2008/08/28/the-mystery-of-obiee-bridge-tables/] got me thinking about how these things are represented in the Oracle Business Analytics Warehouse (OBAW), the