Create a Logical
Expression
In Microsoft Access a Logical
function compares two statements and chooses one answer. The
Logical function in Access begins with IIF.
If you subtract the movie rental:
(Left([Description],1)
from the days rented
DateDiff("d",[DateRented],Now())
and that amount is greater than the days rented, then it's,
“Not Overdue.”
If the amount is not greater, then it's, “Overdue.”
6.
Try it: Create a Logical Expression
Click on a
blank Field in the QBE Grid.
Right click to Zoom. Enter the Expression:
Overdue: IIf(Left([Description],1)>DateDiff("d", [DateRented],Now()),"Not
Overdue","Overdue")
Click OK.
Keep
going...