Bitmap indexing has emerged as a vital tool in the efficient management and interrogation of scientific data. By representing data elements as bits, these indexes facilitate rapid, ...

This article explores the internals of Oracle9i indexing; reviews the standard b-tree index, index-only tables, and how these indexes may increase the speed of Oracle SQL queries.

Austin, Texas-based startup Pilosa has announced the launch of the community edition of its "distributed bitmap index" aimed at dramatically improving querying speeds on datasets greater than 1TB ...