1.5.4.15 主机A数据库A再次进行归档日志切换，记载SEQ#和SCN SQL> select checkpoint_change# from v$database; 992427 SQL> Select count(1) from aidu.test04; 228 SQL> Select checkpoint_change# from v$database; 992437 SQL> Alter system switch logfile; SQL>select name,sequence#,first_change#,next_change# from v$archived_log; /archivelog/1_39_750759569.dbf 39 989361 989650 /archivelog/1_40_750759569.dbf 40 989650 992437 /archivelog/1_41_750759569.dbf 41 992437 992...

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