启动Oracle下最小追踪日志
11g默认是关闭的：
SQL> select supplemental_log_data_min from v$database;
SUPPLEME
--------
NO
打开方式：
SQL> alter database add supplemental log data;
Database altered.
SQL> select supplemental_log_data_min from v$database;
SUPPLEME
--------
YES
11g默认是关闭的：
SQL> select supplemental_log_data_min from v$database;
SUPPLEME
--------
NO
打开方式：
SQL> alter database add supplemental log data;
Database altered.
SQL> select supplemental_log_data_min from v$database;
SUPPLEME
--------
YES
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