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Youareoperatingyourdatabaseinthemanualarchivingmode.Currently,yourdatabaseisconfiguredwiththefollowingonlineredologgroupsandmembers:YoutriedtodropGroup1fromthedatabasebutreceivedthefollowingerrors:ORA-01623:log1iscurrentlogforthread1cannotdropORA-00312:onlinelog1thread1:’D:\ORACLE\ORADATA\TESTDB\REDO01a.LOG’Whatmightbethereasonfortheseerrors?()
A.Group1isanactiveorcurrentonlineredologgroup.
B.Group1isaninactiveonlineredogroupthathasnotbeenarchivedyet.
C.ThemembersoftheGroup1aretemporarilyasymmetricwiththemembersofothergroups.
D.ThesizeoftheonlineredologmembersofGroup1isdifferentfromthesizeofthemembersinothergroups.
参考答案