Adds the specified value for the specified date or time part to date \ time \ datetime
DateAdd("2021-01-04", 2, DateValueOption.MONTH) → 2021-03-04 DateAdd(column1, 7, DateValueOption.DAY) → 2023-02-06
DateAdd(dateTime, value, datePart)
dateTime - Date, time, or datetime value
dateTime
value - This is the number of units of time that you want to add
value
datePart - This indicates the units of time that you want to add, ex. DateValueOption.DAY
datePart