when this command is issued, all data files that are in the online backup mode will be issued checkpoint scn 當發(fā)出這個命令時,處于聯(lián)機備份模式的所有數(shù)據(jù)文件都將被發(fā)放檢查點scn。
for those data files not in the online backup mode, subsequent checkpoint will increase the scn in their headers 對于沒有處在聯(lián)機備份模式的那些數(shù)據(jù)文件,隨后的檢查點將在它們的文件頭中添加scn。
there are implications of in terms of restoration of the backup mode chosen, in that the backup mode determines the recovery mode 在選定備份模式的恢復方面,存在隱含關(guān)系,因為備份模式?jīng)Q定了恢復模式。
there are implications of in terms of restoration of the backup mode chosen, in that the backup mode determines the recovery mode 在選定備份模式的恢復方面,存在隱含關(guān)系,因為備份模式?jīng)Q定了恢復模式。
online backup occurs either when any or all online table spaces are put into online backup mode by issuing a command alter tablespace ts name begin backup 通過執(zhí)行命令“altertablespacets_namebeginbackup”,將任何或所有聯(lián)機表空間置于聯(lián)機備份模式來啟動聯(lián)機備份。