學習筆記(05):Oracle數據庫性能優化整套方法論之系統與實例優化-配置undo tablespace(上)...

立即學習:https://edu.csdn.net/course/play/10667/238272?utm_source=blogtoedu -----------------------undo_tablespace what is undo? undo的用途： 1、ROLLBACK回滾數據 2、恢復數據庫 3、     automatic undo management     undo表空

>>阅读原文<<