ORA-38876: redo logs not required
Cause: The FLASHBACK DATABASE command was performed in test mode and determined that no redo logs were required to perform the tested FLASHBACK DATABASE command.
Action: No action required.
A:ORA-38876的意思是,重新日志不是必需的。这是一个由于错误使用redo log引起的一般错误,这无疑会影响系统性能。
alter tablespace tablespace_name drop logfile member;
drop logfile membet lomenber_name;
如果不想手动移除和删除文件,可以使用dbms_logmnr.drop_logfile()过程,使用它可以移除和删除无用的redo log文件。