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, ...

Oracle’s co-founder and the world’s second-richest person pledges to concentrate his vast resources on his own research institute and for-profit ventures to address health, hunger and climate change.

Currently we have introduced bitmap indexes. There are some optimisations that we can do when the user queries only against the bitmap indexed columns.

document presents the concept of enabling bitmap indexes on subcolumns of a JSON column by extending the Flat JSON feature introduced in version 3.3.4 and beyond. By treating the subcolumns identified ...

Abstract: Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of the ...