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  • EXP00091: Exporting questionable statistics 问题处理方法

    在使用EXP工具进行导出备份或迁移数据的时候有时会报很多的“EXP-00091: Exporting questionable statistics”错误,具体的现象和处理方法请观看……

    1.问题现象
    [oracle@RH207 exp]$ exp test/test file=test.dmf log=test.log
    ……忽略……
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    . . exporting table                        SNP_TXT       6345 rows exported
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    . . exporting table                 SNP_TXT_CROSSR       1019 rows exported
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00091: Exporting questionable statistics.
    EXP-00008: ORACLE error 1013 encountered
    ORA-01013: user requested cancel of current operation
    EXP-00056: ORACLE error 1403 encountered
    ……忽略……

    2.处理方法
    指定Linux系统的NLS_LANG环境变量为数据库的数据集
    1)查询数据库的字符集(方法很多只用一种)
    SQL> select userenv('language') from dual;

    USERENV('LANGUAGE')
    ----------------------------------------------------
    AMERICAN_AMERICA.WE8ISO8859P1

    2)设置Linux操作系统的NLS_LANG环境变量
    [oracle@RH207 exp]$export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

    Window系统的环境变量的修改方法是:
    C:\>set NLS_LANG=
    AMERICAN_AMERICA.WE8ISO8859P1

    3.OK,处理完成,在进行EXP导出操作就不会报这个错误了

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  • 原文地址:https://www.cnblogs.com/xd502djj/p/1837064.html
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