Date Subtraction Off By A Fraction 1.0000E-38
Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
When you substract two DATE data types where the difference is only seconds , the value resulted is in a fraction of a day.
Hence , when multiplying by 86400 to convert to seconds a small fraction is added to the result (1.0000E-38) .
This may fail any decision making on comparing the result of subtraction to a know
For example :-
if (date_result = 26 )
The following case demonstrate the behavior:-
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