Bitmap Indexes ?
From: Krishna K. Kurup <krishnak_at_kna.com>
Date: 1996/11/09
Message-ID: <3284CB2D.4A5F_at_kna.com>#1/1
Date: 1996/11/09
Message-ID: <3284CB2D.4A5F_at_kna.com>#1/1
Hi,
Bitmap indexes is a feature of Oracle 7.3(.2) and above versions.
Would some one be able to explain, how a bitmap index is used ? In what way is it different from b-tree indexes ? How does it improve performance over and above other forms of data access methods.
thanks
Krishna
Received on Sat Nov 09 1996 - 00:00:00 CET