Sorry, it is my mistake. Before quitting from isql, I did not commit, so the inserting recodes were not really written to the database. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4170976#4170976 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4170976