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了解下oracle11g在physical standby模式下可以在standby数据库打开状态下进行数据恢复，考虑这种方式可以实现使用standby数据库进行数据查询。自己做个测试，了解下 v:* {behavior:url(#default#VML);} o:* {behavior:url(#default#VML);} w:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* St