Is there anybody have the desricption of jbpm-bpel's database. i can
not Understanding what is it mean.thanks very much
not sure what you mean by "jbpm-bpel database", but here are some links you might find interesting:
http://community.jboss.org/wiki/jbpm4DataBaseModel
http://docs.jboss.com/jbpm/v4/devguide/html_single/#persistence