Oracle如何開啟閃回功能？首先，檢查flashback是否已啟用：SQL> select flashback uuon from V$database flashback uuu如果已啟用fl

Oracle如何開啟閃回功能？

首先，檢查flashback是否已啟用：SQL> select flashback uuon from V$database flashback uuu如果已啟用flashback，則不需要執(zhí)行以下操作。CD/u01 MKDIR flashback SQL> alter system set DBurecoveryufileudestsize=30G scope=both SQL> alter system set DBurecoveryufileu01/flashback scope=both SQL> shutdown immediate SQL> startup mount SQL> alter database archivelog SQL> alter database flashback on SQL> alter database openuon fromV$數(shù)據(jù)庫閃回uuuuuuon--------------是