exp_00091 error
在我們做exp的過程中可能經常會遇到
EXP-00091 Exporting questionable statistics.這樣的EXP資訊,其實它就是exp的error message,它產生的原因是因為我們exp工具所在的環境變數中的NLS_LANG與DB中的NLS_CHARACTERSET不一致。是,exp-exp_00091error message對所生成的dump檔沒有影響,生成的dump檔還可以正常的imp。
1. 檢視DB中的NLS_CHARACTERSET的值:
SQL> select * from v$nls_parameters where parameter='NLS_CHARACTERSET';
PARAMETER VALUE
----------------------- ----------------------------------------------
NLS_CHARACTERSET ZHS16GBK
2.根據查出的NLS_CHARACTERSET(ZHS16GBK)來設定exp的環境變數:
WINNT> set NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
LINUX> export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
----------------------------------------------------------------------------------
oerr exp 91
00091, 00000, "Exporting questionable statistics."
// *Cause: Export was able export statistics, but the statistics may not be
// usuable. The statistics are questionable because one or more of
// the following happened during export: a row error occurred, client
// character set or NCHARSET does not match with the server, a query
// clause was specified on export, only certain partitions or
// subpartitions were exported, or a fatal error occurred while
// processing a table.
// *Action: To export non-questionable statistics, change the client character
// set or NCHARSET to match the server, export with no query clause,
// export complete tables. If desired, import parameters can be
// supplied so that only non-questionable statistics will be imported,
// and all questionable statistics will be recalculated.
--------------------------------------------------------------------------------------
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/22578826/viewspace-665808/,如需轉載,請註明出處,否則將追究法律責任。
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