Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
dbunit.sourceforge.net
A JUnit extension that puts a database into a known state between test runs. It can export and import a database (or parts) to and from XML datasets. [Open Source, LGPL]