restart your webservers! On Tue, Jul 21, 2009 at 5:00 PM, Michael Schall <mike.sch...@gmail.com>wrote:
> We run are running iBATIS within WebSphere 6.1 on Windows using JNDI > against a DB2 database. During a performance tuning session we found a > query using an index that did not have a vital column. We added the missing > column to the end of the index on a test database and using a db2 query > analyzer we saw a big performance gain. We moved the index to our > production servers and see similar gains using db2 tools, however we do not > see the benefit in the WebSphere application. How/Where are are prepared > statements cached and how can I clear them to get a plan that takes > advantage of the new index. > Thanks > > Mike >