In the last episode (Jan 16), Prem said:
> I have a question in ORACLE indexing.... What is the difference
> between B-Tree index and Bitmap index?
A MySQL list isn't the right place to ask Oracle questions :)
Oracle has excellent documentation and explains what Bitmap and B-tree
indexes are, and where they should be used:
Index concepts, including details on B-tree indexes:
Use of Bitmap indexes in data warehousing: