There are many ways to reassign employees. You, as a programmer or DBA could, for instance, write an update statement to do that. But let’s say that you don’t want to lose your friends at the HR department. They want you to build a real flashy GUI to achieve the very same functionality. Ooops. No more lunch breaks for a week or two, because you planned this task to take only half an hour (the time that writing an update statement takes, if you type very slowly and test it intensively). ADF 11g provides you with two very handy features. First there’s the tree which is not new, but enhanced. Second there’s drag and drop functionality. Here is a way to use those two into a powerful combination. (more…)