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New OTN Webcast on Oracle OLAP 10g Release 2
August 15, 2005
Mark Rittman

There's a new webcast available on OTN on the new features in Oracle OLAP 10g Release 2 (the link's in the top right-hand corner, requires RealPlayer). You can also download the presentation as a Windows .exe file or as a set of PDF slides.

            

Having listened to the webcast and taken a look through the slides, the new features coming with 10g Release 2 are

  • Improvements to cube build time, through the extension of compressed composites to cubes with non-additive and skip-level aggregation
  • Improvements to query performance, through optimizations to the SQL - analytic workspace interface layer (which should make BI Beans and Discoverer for OLAP queries more responsive)
  • Support for transportable tablespaces, so you bundle up your AWs into a tablespace, run a transportable tablespace export then "plug them in" to a new database. Useful for publishing AWs from your ETL database into the "presentation layer" database.
  • Multiple language support within the OLAP API

From what I've managed to pick up from speaking to people, the two key features here are the extension of compressed composites to cover most cube aggregation scenarios, and the improvements that have been made to the interface between the OLAP API and analytic workspaces. If you've used the relational version of Discoverer you'll know it's pretty responsive, and if you've directly queried an AW using the OLAP Worksheet you'll know that it's responsive as well, but the problem that we've had with 9iR2 and 10gR1 OLAP is that the interface between SQL and the AW has seems a bit slow, to the point where tools such as Discoveer for OLAP are visibly less responsive than OFA and OSA. Hopefully what's coming along with 10gR2 will address this, and Discoverer for OLAP running against a 10gR2 database will be as fast as OSA or Express Analyzer.


 

 
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