is before date

Evaluates as true if both the left hand and right hand expressions are dates, and the left date is at least one day earlier than the right date. For example, given the following case fragment:

DOB             2 Dec 05
Triglyceride    1.1 

DOB is before date “3 Dec 05”

DOB is before date “3/Dec/05”

Note: The format of the dates MUST be one of the alternatives shown above. For example, formats such as “3/12/05” or “Dec 3, 05” will not be recognised

See also: is after date