Thursday, July 9th, 2009 by Mark Rittman
Things have been pretty busy for us at Rittman Mead over the last six months, and so I thought it’d be a good opportunity to bring everyone up to speed as to where we are.
Rittman Mead now has two offices, one in the UK run by Jon Mead and myself and another in the USA, [...]
Monday, July 6th, 2009 by Venkatakrishnan J
One of the interesting aspects of XOLAP is the fact that it exposes Essbase as a dynamic relational aggregation engine. XOLAP to an extent is pretty good in determining what kind of sql should be pushed back to the relational sources and what requires custom in-memory calculations. For example, lets first start with a simple [...]
Monday, July 6th, 2009 by Stewart Bryson
If you attended my ODTUG Kaleidoscope presentation on Oracle Warehouse Builder (feel free to view the presentation), then you know that certain aspects of the product leave me scratching my head, especially as a follower of the dimensional modeling approach popularized by Ralph Kimball. One of the subjects covered was dimensional operators and the lack [...]
Wednesday, July 1st, 2009 by Venkatakrishnan J
In the last 2 blog entries, i had covered 2 new features of EPM 11 Essbase. They were Format Strings and Varying Attributes. In today’s blog entry we shall see another good feature that was introduced in the EPM 11 release called as XOLAP. Though I have covered this before here, i thought it would [...]
Monday, June 29th, 2009 by Venkatakrishnan J
Another excellent feature that was introduced as part of the EPM 11 release was the support for varying attributes. Varying attributes help in providing different perspectives of multiple attributes of a dimension over time. One can visualize this as SCD 2 in a relational world. For example, lets take the Sample –> Basic cube and [...]
