EXP-00091: Exporting questionable statistics.

EXP-00091: 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.

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小智 2018-08-30 18:47

EXP-00091：导出可疑的统计信息。,
.原因：导出可以导出统计信息，但统计信息可能无法使用。统计信息有问题，因为在导出期间发生以下一个或多个事件：发生行错误，客户端字符集或NCHARSET与服务器不匹配，在导出时指定了查询子句，只导出了某些分区或子分区，或者处理表时发生致命错误。,
.操作：要导出不可疑的统计信息，请更改客户端字符集或NCHARSET以匹配服务器，导出时不带查询子句，导出完整表。如果需要，可以提供导入参数，以便只导入非可疑的统计数据，并重新计算所有可疑的统计数据。,
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EXP-00091: Exporting questionable statistics.

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