备用库
SQL>select database_role from v$database;
2、检查归档日志是否能正常传输(日志的序号必须是一样的):
主库
SQL> select SEQUENCE#, FIRST_TIME, NEXT_TIME, APPLIED, ARCHIVED from V$ARCHIVED_LOG;
备库
SQL> select SEQUENCE#, FIRST_TIME, NEXT_TIME, APPLIED, ARCHIVED from V$ARCHIVED_LOG;
3、切换日志测试
主库
SQL>alter system switch logfile;
SQL>select SEQUENCE#, FIRST_TIME, NEXT_TIME, APPLIED, ARCHIVED from V$ARCHIVED_LOG;
备库
SQL> select max(sequence#)from v$archived_log;
完美。
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