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