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ORA-55569: The UNDO_RETENTION parameter value should be atmost string, the _highthreshold_undoretention setting.

ORA-55569: The UNDO_RETENTION parameter value should be atmost string, the _highthreshold_undoretention setting.
Cause: The UNDO_RETENTION parameter value was not less than or equal to the _highthreshold_undoretention parameter setting.
Action: Reissue the SQL statement with a lower value for UNDO_RETENTION parameter or increase the value of _highthreshold_undoretention parameter.

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小智
ORA-55569:UNDO_RETENTION参数值应为最大字符串,即_highthreshold_undoretention设置。,
.原因: UNDO_RETENTION参数值不小于或等于_highthreshold_undoretention参数设置。,
.操作:重新发出具有UNDO_RETENTION参数的较低值的SQL语句,或增加_highthreshold_undoretention参数的值。,
.
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