Ever wondered what kind of database Google uses ???

The database system Google uses is known as BIG TABLE.
Here are the Links for you
http://norfolk.cs.washington.edu/htbin-post/unrestricted/colloq/archive.cgi?id=437  {video}

http://en.wikipedia.org/wiki/BigTable

http://andrewhitchcock.org/?post=214

http://research.google.com/archive/bigtable.html

http://video.google.com/videoplay?docid=7278544055668715642

http://www.cse.iitb.ac.in/dbms/Data/Courses/CS632/Talks/bigtable-uw-presentation.ppt

Hope you have some interest in these Links...