ORA-30086: interval year-month result not allowed for
datetime subtraction



ORA-30086: interval year-month result not allowed for datetime subtraction..

Answer / guest

Cause: An attempt was made to specify interval year to month
as the result of datetime subtraction.

Action: This is not allowed currently due to unclear
specification in SQL Standards for this interval type.
Change the interval type to interval day to second and
resubmit statement.

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