See the email about bitmapped indexes linked to from the TODO list item
on bitmaps. Bitmap indexes allow arbitrary indexes to be combined into
a single index. Btree indexes can not be combined.
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Rajesh Kumar Mallah. wr
Hi,
I have learnt from certain texts that bitmap indexes are very useful for
large DSS (decesion support systems).
bitmap indexes are currently not available in postgresql.
My question is in what way is a normal btree index in pgsql
inferior to bitmap indexes (found in oracle for example).
is
