ADD_WEEK( )
Adds a specified number of weeks to a date value.
Syntax
ADD_WEEK(date, weeksToAdd)
Arguments
date
The date or date expression representing the start date.
weeksToAdd
The number of weeks to add to the start date. If you specify a negative number, the result is as if the number is subtracted from the start date.
Returns
The date value that results from adding the number of weeks to the start date.
Example
The following example adds two weeks to each date value in the OrderDate data field:
ADD_WEEK([OrderDate], 2)