tag:blogger.com,1999:blog-3388157881400552477.post2548234933977124485..comments2007-06-28T22:20:14.717-04:00Jag Singhhttp://www.blogger.com/profile/14688222512845853810noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-3388157881400552477.post-31249878299677714102007-06-28T22:20:14.717-04:002007-06-28T22:20:14.717-04:00Hey anonymous: The idea is to be able to use the bitmap index capability in <A HREF="http://www.dwoptimize.com/2007/06/aiming-for-stars.html" REL="nofollow">star schemas</A>, where facts roam free and dimensions are tamed.Jag Singhhttp://www.blogger.com/profile/14688222512845853810noreply@blogger.comtag:blogger.com,1999:blog-3388157881400552477.post-34613759581736181532007-06-28T11:04:31.681-04:002007-06-28T11:04:31.681-04:00I agree that the commercial database systems have implemented some bitmap indexing technology, however they are lagging behind what research community have produced recently, for example, wikipedia's bitmap index entry (http://en.wikipedia.org/wiki/Bitmap_index>) mentions a couple of research systems that apparently are much better in some respects.Anonymousnoreply@blogger.com