exp备份导出时报EXP-00091: Exporting questionable statistics”错误
问题现象
在对ORACLE数据库做exp备份导出时报EXP-00091: Exporting questionable statistics”错误：详情如下：
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table test 12 rows exported
EXP-00091: Exporting questionable statistics.
. . exporting table users 129 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
问题原因：
引起此问题的原因是数据库字符集和操作系统的NLS_LANG不一致导致
处理方法：
查询数据库的字符集信息
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
----------------------------------------------------
AMERICAN_AMERICA.WE8ISO8859P1
设置操作系统的NLS_LANG值
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
重新运行数据库导出命令
exp system/oracle file='/tmp/full.dmp' full=y;
在对ORACLE数据库做exp备份导出时报EXP-00091: Exporting questionable statistics”错误：详情如下：
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table test 12 rows exported
EXP-00091: Exporting questionable statistics.
. . exporting table users 129 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
问题原因：
引起此问题的原因是数据库字符集和操作系统的NLS_LANG不一致导致
处理方法：
查询数据库的字符集信息
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
----------------------------------------------------
AMERICAN_AMERICA.WE8ISO8859P1
设置操作系统的NLS_LANG值
export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
重新运行数据库导出命令
exp system/oracle file='/tmp/full.dmp' full=y;
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/29108856/viewspace-2142913/ ，如需转载，请注明出处，否则将追究法律责任。
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