coll.add(new MergeColumnAction(app, _resources));
coll.add(new MergeTableAction(app, _resources));
coll.add(new ModifyColumnAction(app, _resources));
coll.add(new ModifySequenceAction(app, _resources));
coll.add(new DropColumnAction(app, _resources));
coll.add(new RenameTableAction(app, _resources));
coll.add(new RenameViewAction(app, _resources));
RefactoringPreferencesManager.initialize(this);
}