撤销职务: a ul one's position; dismi …from; be stri ed of; remove…fromannul one's position; dismiss ... from; be stripped of; remove... fromdismiss somebody from postremove somebody from
Oracle uses archived logs to roll forward to consistent state and undo table space to rollback any uncommitted data Oracle使用归档日志来前滚到一致状态,并撤销表空间来回滚任何未提交数据