方法:
1。 office:idsadm 9> oerr ora 30012
30012, 00000, "undo tablespace '%s' does not exist or of wrong type"
// *Cause: the specified undo tablespace does not exist or of the
// wrong type.
// *Action: Correct the tablespace name and reissue the statement.
office:idsadm 10> cd /
office:idsadm 11> oerr ora 30012
30012, 00000, "undo tablespace '%s' does not exist or of wrong type"
// *Cause: the specified undo tablespace does not exist or of the
// wrong type.
// *Action: Correct the tablespace name and reissue the statement.
2.oerr位于$ORACLE_HOME/bin目录下,切换到oracle的管理用户下可以直接使用该工具(如果不行,可检查环境变量是否设置正确)