Evaluates as true if both the left hand and right hand expressions are dates, and the left date is at least one day later than the right date.
For example, given the following case fragment:
DOB 2 Dec 05 Triglyceride 1.1
DOB is after date “1 Dec 05”
DOB is after date “1/Dec/05”
Note: The format of the dates MUST be one of the alternatives shown above. For example, formats such as “1/12/05” or “Dec 1, 05” will not be recognised
See also: is before date