DAV Public school velachery website

Finally the DAV Public school velachery website was launched a few months back. The URL is

http://www.davpsvelacherychennai.co.in/

This however does not come up in Google results for some reason. Hence this blog post to give it a link.

B-Tree database index algorithm - low cardinality field

Good article describing B-Tree database index algorithm. I was specially looking at impact of using an "index on a low cardinality field".

http://mattfleming.com/node/192