How to fix the Oracle error ORA-55568: The maximum query length (mql) value should be atmost string based on the current _highthreshold_undoretention setting.?

In this post, you’ll learn more about the Oracle ErrorORA-55568: The maximum query length (mql) value should be atmost string based on the current _highthreshold_undoretention setting. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-55568: The maximum query length (mql) value should be atmost string based on the current _highthreshold_undoretention setting.

Reason for the Error ORA-55568: The maximum query length (mql) value should be atmost string based on the current _highthreshold_undoretention setting.

The maximum query length (mql in minutes) was not less than or equal to half the _highthreshold_undoretention parameter setting.

How to fix the Error ORA-55568: The maximum query length (mql) value should be atmost string based on the current _highthreshold_undoretention setting. ?

You can fix this error in Oracle by following the below steps

Reissue the SQL statement with a lower value for mql or increase the value of _highthreshold_undoretention parameter.