EXP00091: Exporting questionable statistics.解决方法

今日EXP数据发现：

EXP-00091: Exporting questionable statistics.
. . exporting table                     MV_SERVICE       1022 rows exported
EXP-00091: Exporting questionable statistics.
EXP-00091: Exporting questionable statistics.
. . exporting table                  MV_SERVICEFEE        691 rows exported
EXP-00091: Exporting questionable statistics.
. . exporting table                     PLAN_TABLE          0 rows exported
. . exporting table             TAB_BROWSERCATALOG    1407427 rows exported
EXP-00091: Exporting questionable statistics.
. . exporting table                 TAB_BROWSERFEE      59233 rows exported……………………………

解决方法：

select * from nls_database_parameters t where t.parameter=’NLS_CHARACTERSET’

or
select * from v$nls_parameters where parameter=’NLS_CHARACTERSET’;
查询值为：ZHS16CGB231280

然后vi /home/oracle/.bash_profile

export NLS_LANG=american_america.ZHS16CGB231280

source /home/oracle/.bash_profile

================以上引用其他人网站内容====================
我懒的写了，看了一眼解决办法挺好!我自己写了一备份脚本在cron Job 中执行附上脚本！

#!/bin/bash

ORACLE_SID=test
ORACLE_BASE=/opt/oracle
ORACLE_TERM=xterm
ORACLE_HOME=/opt/oracle/product/10.2.0/db_1
PATH=$ORACLE_HOME/bin/:$PATH
NLS_LANG=american_america.ZHS16GBK

export ORACLE_SID ORACLE_BASE ORACLE_TERM ORACLE_HOME PATH NLS_LANG

cd /opt/database_back
exp test/test1 file=test20090605.dmp log=exp20090605.log